Three boys sit down and make gestures with their hands.
Three boys are sitting down.
Sit down and are sitting down are the same action.
exists e2 e1 s1 x1 x2 x3 x4.(Theme(e2,x3) & Actor(e2,x2) & v_make(e2) & with(x3,x4) & n_hand(x4) & of(x4,x1) & n_thing(x1) & n_gesture(x3) & n_boy(x2) & card_eq_3(x2) & a_down(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sit(e1) & n_boy(x1) & card_eq_3(x1))
exists e1 s1 x1.(a_down(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sit(e1) & n_boy(x1) & card_eq_3(x1))