Two young boys wearing pirate hats are crouching down.
The two boys are hiding.
Two young boys wearing pirate hats are crouching down does not imply that they are hiding.
exists e2 e1 s1 s2 s3 x1 x2 x3.(a_down(s3) & Manner(e2,s3) & Actor(e2,x1) & v_crouch(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_hat(x3) & a_pirate(s2) & Theme(s2,x3) & (x1 = x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 x1.(n_boy(x1) & card_eq_2(x1) & Actor(e1,x1) & v_hide(e1))