These three boys are trying to carry some wood.
There are three boys carrying something.
Some wood is something.
exists e1 p1 x1.(n_boy(x1) & card_eq_3(x1) & Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 x2.(Theme(e2,x2) & Actor(e2,x1) & v_carry(e2) & n_wood(x2)))
exists p1 x1 e1 x2 x3 x4.((x1 = x2) & Theme(e1,x4) & Actor(e1,x3) & v_carry(e1) & n_thing(x4) & (x2 = x3) & n_boy(x2) & card_eq_3(x2))