A young boy in a red shirt climbs a playground rock wall.
A little boy is playing with his toys.
One cannot be playing with toys and climbing a playground rock wall at the same time.
exists e1 s1 s2 s3 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_climb(e1) & n_wall(x3) & of(x3,x4) & n_rock(x4) & a_playground(s3) & Theme(s3,x3) & in(x1,x2) & n_shirt(x2) & a_red(s2) & Theme(s2,x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(with(e1,x2) & n_toy(x2) & of(x2,x1) & n_male(x1) & Actor(e1,x1) & v_play(e1) & n_boy(x1) & a_little(s1) & Theme(s1,x1))