Two guys in coats laugh while walking down a street.
A couple of guys are sitting on the beach at the ocean.
The men can't be walking and sitting at the same time.
exists e1 e2 s1 x1 x2 x3.(while(e1,e2) & a_down(s1) & Manner(e2,s1) & Theme(e2,x3) & Actor(e2,x1) & v_walk(e2) & n_street(x3) & Actor(e1,x1) & v_laugh(e1) & in(x1,x2) & n_coat(x2) & n_guy(x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(n_ocean(x4) & n_beach(x3) & at(e1,x4) & on(e1,x3) & Actor(e1,x1) & v_sit(e1) & of(x1,x2) & n_guy(x2) & n_couple(x1))