officialBallSport

Given a predicate that represents a relationship or action between entities, generate a one-sentence description explaining its meaning.  
# Instructions
Focus on describing the relationship, not the entities themselves. 
# Response Format
Begin the description with \' Indicates...\'

Predicate: officialBallSport

Indicates that a sport is officially recognized as a ball sport, i.e., one whose play fundamentally involves the use of a ball.