Two boys in black swimming trunks are holding another boy by his arms and legs on a beach.
three kids are playing by the beach.
Boys are kids. If there are two boys holding another boy, then there are three of them.
exists e1 s1 x1 x2 x3 x4 x5 x6 x7 x8.(on(e1,x8) & n_beach(x8) & by(e1,x5) & n_leg(x7) & n_arm(x6) & subset_of(x7,x5) & subset_of(x6,x5) & of(x5,x2) & n_male(x2) & Theme(e1,x4) & Actor(e1,x1) & v_hold(e1) & n_boy(x4) & -(x4 = x1) & n_boy(x1) & n_boy(x1) & in(x1,x2) & n_trunk(x2) & of(x2,x3) & n_swimming(x3) & a_black(s1) & Theme(s1,x2) & card_eq_2(x1))
exists e1 x1 x2.(n_beach(x2) & by(e1,x2) & Actor(e1,x1) & v_play(e1) & n_kid(x1) & card_eq_3(x1))