Anchor: An orchestra of about 30 people are practicing on the stage of what appears to be an auditorium full of green chairs.
Entailed: An orchestra plays music on the stage.
Contradiction: The rock band plays music in a bar.
Contradiction: A teacher shows a teenage boy the property fingering on his trumpet during a school band practice.
Contradiction: A group of people are playing basketball in an auditorium.
Contradiction: A rock band plays for a crowded bar.
Contradiction: An orchestra of about 50 people are practicing.