A man in a white collared shirt plays a red guitar.
the man is playing a guitar
A red guitar is still a guitar and plays and playing are the same
exists e1 s1 s2 s3 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & n_guitar(x3) & a_red(s3) & Theme(s3,x3) & in(x1,x2) & n_shirt(x2) & a_collared(s2) & Theme(s2,x2) & a_white(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_guitar(x2))