Men in suits and military uniforms looks on as two men shake hands.
Two men shake hands and know each other
It is not necessary they know each other
exists e1 e2 s1 x1 x2 x3 x4 x5 x6 x7.(r_on(e1) & as(e1,x5) & Theme(e2,x7) & Actor(e2,x6) & v_shake(e2) & n_hand(x7) & (x5 = x6) & n_man(x5) & card_eq_2(x5) & Actor(e1,x1) & v_look(e1) & in(x1,x2) & subset_of(x4,x2) & n_uniform(x4) & a_military(s1) & Theme(s1,x4) & subset_of(x3,x2) & n_suit(x3) & n_man(x1))
exists e1 x1 x2 x3.(all x4.(n_other(x4) -> exists e2.(Theme(e2,x4) & Actor(e2,x3) & v_know(e2))) & n_man(x3) & card_eq_2(x3) & Theme(e1,x2) & Actor(e1,x1) & v_shake(e1) & n_hand(x2) & n_man(x1) & card_eq_2(x1))