A man is sitting down pulling down his red long-sleeve sweater.
A man is pulling down his sweater because its riding up.
There are many reasons why a man might pull down his sweater, not just because its riding up.
exists e1 e2 s1 s2 s3 s4 x1 x2.(for(e1,e2) & a_down(s4) & Manner(e2,s4) & Theme(e2,x2) & Actor(e2,x1) & v_pull(e2) & n_sweater(x2) & a_long-sleeve(s3) & Theme(s3,x2) & a_red(s2) & Theme(s2,x2) & of(x2,x1) & n_male(x1) & a_down(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sit(e1) & n_man(x1))
(-x)