The boy in the swimming trunks is playing in the yard.
The boy is outside.
if the boy is playing in the yard then the boy is outside
exists e1 x1 x2 x3 x4.(n_yard(x4) & n_trunk(x2) & of(x2,x3) & n_swimming(x3) & n_boy(x1) & in(e1,x4) & Actor(e1,x1) & v_play(e1) & in(x1,x2))
exists s1 x1.(n_boy(x1) & Theme(s1,x1) & a_outside(s1))