A group of men and boys loading and tying down items at the rear and on top of a bus.
The group of men and boys are going on a trip.
Men and boys loading items on top of a bus are not necessarily going on a trip.
exists e3 e1 e2 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 x11 x12.(n_rear(x8) & a_topic(x1) & on(e3,x11) & of(x11,x12) & n_bus(x12) & n_top(x11) & a_down(s2) & Manner(e3,s2) & Theme(e3,x10) & Actor(e3,x9) & v_tie(e3) & n_item(x10) & (x1 = x9) & at(e2,x8) & a_down(s1) & Manner(e2,s1) & Theme(e2,x7) & Actor(e2,x6) & v_tie(e2) & n_item(x7) & (x1 = x6) & Actor(e1,x5) & v_load(e1) & (x1 = x5) & of(x1,x2) & n_boy(x4) & n_man(x3) & subset_of(x4,x2) & subset_of(x3,x2) & n_group(x1))
exists e1 x1 x2 x3 x4 x5.(n_group(x1) & on(e1,x5) & n_trip(x5) & Actor(e1,x1) & v_go(e1) & of(x1,x2) & n_boy(x4) & n_man(x3) & subset_of(x4,x2) & subset_of(x3,x2))