Two men kickboxing.
the men are kickboxing
The men is a way of describing more than one man therefore it can be a rewording of two men.
exists e1 x1 x2.(a_topic(x1) & Actor(e1,x2) & v_kickbox(e1) & (x1 = x2) & n_man(x1) & card_eq_2(x1))
exists e1 x1.(n_man(x1) & Actor(e1,x1) & v_kickbox(e1))