Triple

Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).

Phrase: Second Party System | Statement: [Jacksonian era, hasPart, Second Party System]

Target entity: Second Party System
Context triple: [Jacksonian era, hasPart, Second Party System]

• A. Jacksonian era
  The Jacksonian era was a period in early 19th-century United States history marked by the presidency of Andrew Jackson, the expansion of white male suffrage, and aggressive policies of westward expansion and Indian removal.
• B. Whig Party
  The Whig Party was a major 19th-century American political party that opposed Andrew Jackson’s Democrats and promoted congressional supremacy, economic modernization, and internal improvements.
• C. Whig Party
  The Whig Party was a major British political party from the late 17th to the 19th century that championed constitutional monarchy, parliamentary supremacy, and commercial interests, and later evolved into the Liberal Party.
• D. Fourth Party System in United States politics
  The Fourth Party System in United States politics was the era from the 1890s to the early 1930s dominated by Republican ascendancy, progressive reforms, and realignments over industrialization and economic regulation.
• E. Era of Good Feelings
  The Era of Good Feelings was a period in early 19th-century United States history marked by a sense of national unity, political harmony, and the decline of partisan conflict following the War of 1812.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Entity: Second Party System
Triple: [Jacksonian era, hasPart, Second Party System]

The Second Party System was the U.S. political party framework of roughly the 1820s–1850s, defined by fierce competition between the Democrats and the Whigs and the mass mobilization of voters.

Target entity: Second Party System
Target entity description: The Second Party System was the U.S. political party framework of roughly the 1820s–1850s, defined by fierce competition between the Democrats and the Whigs and the mass mobilization of voters.

• A. Jacksonian era chosen
  The Jacksonian era was a period in early 19th-century United States history marked by the presidency of Andrew Jackson, the expansion of white male suffrage, and aggressive policies of westward expansion and Indian removal.
• B. Whig Party
  The Whig Party was a major 19th-century American political party that opposed Andrew Jackson’s Democrats and promoted congressional supremacy, economic modernization, and internal improvements.
• C. Whig Party
  The Whig Party was a major British political party from the late 17th to the 19th century that championed constitutional monarchy, parliamentary supremacy, and commercial interests, and later evolved into the Liberal Party.
• D. Fourth Party System in United States politics
  The Fourth Party System in United States politics was the era from the 1890s to the early 1930s dominated by Republican ascendancy, progressive reforms, and realignments over industrialization and economic regulation.
• E. Era of Good Feelings
  The Era of Good Feelings was a period in early 19th-century United States history marked by a sense of national unity, political harmony, and the decline of partisan conflict following the War of 1812.
• F. None of above.