CONCEPTS: environment, organism, study

GEN: what is ecology the study of how organisms interact with each other and with their environments

CONCEPTS: player, receive, return

GEN: football player received an emotional show of solidarity from fans on his return

CONCEPTS: eat, hotdog, ketchup, mustard

GEN: A girl is eating a hotdog with mustard and ketchup on it.

CONCEPTS: club, leave, player

GEN:
soccer player furious at star for not leaving the club