A worker is loading up some pineapples to transport.
A worker is buying fruit from truck
worker cannot be loading pineapples and buying fruits at the same time.
exists e1 p1 s1 x1 x2 x3.(Topic(e1,p1) & exists e2.(Actor(e2,x1) & v_transport(e2)) & a_up(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_load(e1) & n_pineapple(x3) & n_worker(x2) & n_worker(x1))
exists e1 x1 x2 x3.(from(e1,x3) & n_truck(x3) & Theme(e1,x2) & Actor(e1,x1) & v_buy(e1) & n_fruit(x2) & n_worker(x1))