a lady is wearing all black with a whistle in the middle of rollerskaters.
SHe is the referee in roller derby match.
A woman is in the middle of some basketball players.
A child is playing with a  toy.
The girls are playing a game.
Genoa did not participate in the Chioggia War.
Edmund Hilary's Everest expedition was helped by the Sherpa.
A woman is singing.
Two men wrote The Fourth An American Prophecy together.