Two men, one on a bike and one that is walking.
two men together
A man on a bike and another one walking cannot be together.
exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & rel(x1,x2) & subset_of(x5,x2) & Actor(e1,x6) & v_walk(e1) & (x5 = x6) & n_thing(x5) & card_eq_1(x5) & subset_of(x3,x2) & on(x3,x4) & n_bike(x4) & n_thing(x3) & card_eq_1(x3) & n_man(x1) & card_eq_2(x1))
exists x1.(a_topic(x1) & r_together(x1) & n_man(x1) & card_eq_2(x1))