A young boy in a swimming suit sits in water.
A boy runs on the track at his high school.
swimming and running are different activities
exists e1 s1 x1 x2 x3 x4.(in(e1,x4) & n_water(x4) & Actor(e1,x1) & v_sit(e1) & in(x1,x2) & n_suit(x2) & of(x2,x3) & n_swimming(x3) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3.(n_school(x3) & a_high(s1) & Theme(s1,x3) & of(x3,x2) & n_male(x2) & n_track(x2) & at(e1,x3) & on(e1,x2) & Actor(e1,x1) & v_run(e1) & n_boy(x1))