The man in the yellow pants is raising his arms.
A guy wearing a pair of yellow pants.
Man and guy are interchangeable in most situations.
exists e1 s1 x1 x2 x3.(n_arm(x3) & of(x3,x1) & n_male(x1) & n_pants(x2) & a_yellow(s1) & Theme(s1,x2) & n_man(x1) & Theme(e1,x3) & Actor(e1,x1) & v_raise(e1) & in(x1,x2))
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & of(x3,x4) & n_pants(x4) & a_yellow(s1) & Theme(s1,x4) & n_pair(x3) & (x1 = x2) & n_guy(x1))