A number of children wearing red shirts with white hearts stand outside a bus, watched by two men, receiving toys.
A number of children are watching by two men because they not safe near the bus.
Just because the children outside a bus, watched by two men, does not imply that they are not safe.
exists e4 e1 e3 e2 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10.(outside(e2,x6) & Actor(e3,x8) & Theme(e4,x10) & Actor(e4,x9) & v_receive(e4) & n_toy(x10) & (x8 = x9) & n_man(x8) & card_eq_2(x8) & Theme(e3,x7) & v_watch(e3) & (x6 = x7) & n_bus(x6) & Actor(e2,x1) & v_stand(e2) & of(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_wear(e1) & with(x4,x5) & n_heart(x5) & a_white(s2) & Theme(s2,x5) & n_shirt(x4) & a_red(s1) & Theme(s1,x4) & (x2 = x3) & n_child(x2) & n_number(x1))
(-x)