Two men step off the bus together.
Two men step off of a bus.
For two men to step off the bus together, it must be true that men step off a bus.
exists e1 s1 s2 x1 x2.(n_bus(x2) & a_together(s2) & Manner(e1,s2) & a_off(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_step(e1) & n_man(x1) & card_eq_2(x1))
exists e1 p1 x1.(exists s1 x2.(of(s1,x2) & n_bus(x2) & Theme(s1,x1) & a_off(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_step(e1) & n_man(x1) & card_eq_2(x1))