Four people standing near signs reading them.
Four people are standing.
people standing near signs shows that people are standing.
exists e1 e2 x1 x2 x3 x4.(a_topic(x1) & near(e1,x3) & Theme(e2,x1) & Actor(e2,x4) & v_read(e2) & n_thing(x1) & (x3 = x4) & n_sign(x3) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_people(x1) & card_eq_4(x1))
exists e1 x1.(Actor(e1,x1) & v_stand(e1) & n_people(x1) & card_eq_4(x1))