A little boy pushing his tricycle towards balls lying in the grass.
the brown haired boy is going to get the tennis balls.
Not all boys have brown hair or hair at all, and just because he's moving toward the balls does not mean he's going to get them and not all balls are for tennis.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6.(n_grass(x6) & a_topic(x1) & towards(e1,x4) & in(e2,x6) & Actor(e2,x5) & v_lie(e2) & (x4 = x5) & n_ball(x4) & Theme(e1,x3) & Actor(e1,x2) & v_push(e1) & n_tricycle(x3) & of(x3,x1) & n_male(x1) & (x1 = x2) & n_boy(x1) & a_little(s1) & Theme(s1,x1))
exists e1 p1 s1 s2 x1 x2 x3.(n_ball(x2) & of(x2,x3) & n_tennis(x3) & n_boy(x1) & a_haired(s2) & Theme(s2,x1) & a_brown(s1) & Theme(s1,x1) & Topic(e1,p1) & Actor(e1,x1) & v_go(e1) & exists e2.(Theme(e2,x2) & Actor(e2,x1) & v_get(e2)))