Many boys are playing on a basketball court.
A group of males playing sports.
A group of males would be many boys, and basketball is a sport.
exists e1 x1 x2 x3.(on(e1,x2) & n_court(x2) & of(x2,x3) & n_basketball(x3) & Actor(e1,x1) & v_play(e1) & n_boy(x1) & n_quantity(x1))
exists e1 x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_play(e1) & n_sport(x4) & (x2 = x3) & n_male(x2) & n_group(x1))