The young boy with nice pants, a belt, and a tie is jumping off the steps
The older boy with dirty clothing played on the stairs.
A young boy isn't an older boy, and nice clothes is different than dirty clothes
exists e1 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7.(n_step(x7) & n_boy(x2) & a_young(s1) & Theme(s1,x2) & a_off(s3) & Manner(e1,s3) & Theme(e1,x7) & Actor(e1,x1) & v_jump(e1) & subset_of(x4,x1) & subset_of(x6,x4) & n_tie(x6) & subset_of(x5,x4) & n_belt(x5) & subset_of(x2,x1) & with(x2,x3) & n_pants(x3) & a_nice(s2) & Theme(s2,x3))
exists e1 s1 s2 x1 x2 x3.(n_stair(x3) & n_boy(x1) & r_more(s1) & a_older(s1) & Theme(s1,x1) & on(e1,x3) & Actor(e1,x1) & v_play(e1) & with(x1,x2) & n_clothing(x2) & a_dirty(s2) & Theme(s2,x2))