An orange dog shakes his head very hard on the sand.
A dog is trying to get a piece of seaweed off his head.
Just because the dog shakes his head very hard does not imply that the dog is trying to get a piece of seaweed off his head.
exists e1 s1 x1 x2 x3 x4.(n_sand(x4) & on(e1,x4) & r_very(e1) & a_hard(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x1) & v_shake(e1) & n_head(x3) & of(x3,x1) & n_male(x1) & n_dog(x1) & of(x1,x2) & n_orange(x2))
exists e1 p1 x1 x4.(Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 x2 x3.(off(e2,x4) & Theme(e2,x2) & Actor(e2,x1) & v_get(e2) & of(x2,x3) & n_seaweed(x3) & n_piece(x2)) & n_head(x4) & of(x4,x1) & n_male(x1) & n_dog(x1))