A small child hangs out the window of a bus.
A group of school kids throw stones at a city bus.
A group of kids is several, while a child is one. A child who hangs out the window is inside a bus, while kids who throw stones at a bus are outside.
exists e1 s1 s2 x1 x2 x3.(n_window(x2) & a_out(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_hang(e1) & of(x2,x3) & n_bus(x3) & n_child(x1) & a_small(s1) & Theme(s1,x1))
exists e1 x1 x2 x3 x4 x5 x6.(at(e1,x5) & n_bus(x5) & of(x5,x6) & n_city(x6) & Theme(e1,x4) & Actor(e1,x1) & v_throw(e1) & n_stone(x4) & of(x1,x2) & n_kid(x2) & of(x2,x3) & n_school(x3) & n_group(x1))