Two workers boarding a large Tugboat from a smaller orange boat.
Workers are riding the boat.
Not all riders riding a boat are exclusively workers.
exists e1 s1 s2 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_board(e1) & from(x2,x3) & n_boat(x3) & of(x3,x4) & n_orange(x4) & r_more(s2) & a_smaller(s2) & Theme(s2,x3) & n_tugboat(x2) & a_large(s1) & Theme(s1,x2) & n_worker(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_boat(x2) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_worker(x1))