A boy in a purple shirt tosses orange balls on a lawn.
A boy is playing a sport near a house.
On a lawn does not imply being near a house.
exists e1 s1 x1 x2 x3 x4 x5.(on(e1,x5) & n_lawn(x5) & Theme(e1,x4) & Actor(e1,x1) & v_orange(e1) & n_ball(x4) & in(x1,x2) & n_toss(x2) & of(x2,x3) & n_shirt(x3) & a_purple(s1) & Theme(s1,x2) & n_boy(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & near(x2,x3) & n_house(x3) & n_sport(x2) & n_boy(x1))