Three men are standing outside with three red bags on the ground.
The three men with red bags are waiting at the airport for a taxi.
Just because they are standing outside with bags doesn't mean they wait for a taxi.
exists e1 s1 s2 x1 x2 x3.(n_ground(x3) & on(e1,x3) & with(e1,x2) & n_bag(x2) & a_red(s2) & Theme(s2,x2) & card_eq_3(x2) & a_outside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_stand(e1) & n_man(x1) & card_eq_3(x1))
exists e1 s1 x1 x2 x3 x4.(n_airport(x3) & n_man(x1) & card_eq_3(x1) & at(e1,x3) & for(x3,x4) & n_taxi(x4) & Actor(e1,x1) & v_wait(e1) & with(x1,x2) & n_bag(x2) & a_red(s1) & Theme(s1,x2))