Four men are walking up a trail.
A group of men like to hike for exercise.
That the men like to hike for exercise cannot be inferred from them walking up a trail.
exists e1 s1 x1 x2.(a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_trail(x2) & n_man(x1) & card_eq_4(x1))
exists e1 p1 x1 x2.(Topic(e1,p1) & Actor(e1,x1) & v_like(e1) & exists e2 x3.(for(e2,x3) & n_exercise(x3) & Actor(e2,x1) & v_hike(e2)) & of(x1,x2) & n_man(x2) & n_group(x1))