A group of men on a boat that is tipped wearing helmets.
Guys on a boat are drunk.
It cannot be inferred that the men are drunk.
exists e1 p1 x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & on(x2,x3) & exists e2 x5.(Theme(e2,x5) & Actor(e2,x4) & v_wear(e2) & n_helmet(x5)) & Recipient(e1,p1) & Topic(e1,x4) & v_tip(e1) & (x3 = x4) & n_boat(x3) & n_man(x2) & n_group(x1))
exists s1 x1 x2.(Theme(s1,x1) & a_drunk(s1) & on(x1,x2) & n_boat(x2) & n_guy(x1))