A man in a blue coat grabbing a young boy's shoulder.
A man touching a boys shoulder.
a man grabbing a young boy's shoulder. is same as man touching a boys shoulder
exists e1 s1 s2 x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x2) & Theme(e1,x5) & Actor(e1,x3) & v_grab(e1) & n_shoulder(x5) & of(x5,x4) & n_boy(x4) & a_young(s2) & Theme(s2,x4) & (x2 = x3) & n_coat(x2) & a_blue(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_touch(e1) & n_shoulder(x3) & of(x3,x4) & n_boy(x4) & (x1 = x2) & n_man(x1))