two men standing on the sidewalk in front of a silver van.
Two men are standing next to a silver van.
Standing in front of is a paraphrasing of standing next to.
exists e1 x1 x2 x3 x4 x5 x6.(n_sidewalk(x3) & a_topic(x1) & in(e1,x4) & of(x4,x5) & n_van(x5) & of(x5,x6) & n_silver(x6) & n_front(x4) & on(e1,x3) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(to(e1,x2) & n_van(x2) & of(x2,x3) & n_silver(x3) & r_next(e1) & Actor(e1,x1) & v_stand(e1) & n_man(x1) & card_eq_2(x1))