A man is flipping another person while the other guy is trying to lift the other person.
There is a person trying to flip someone else.
A man is flipping another person is same as there is a person trying to flip someone else.
exists e1 p1 x1 x2 x3 x4.(-(x2 = x2) & n_person(x2) & n_person(x2) & -(x4 = x4) & n_guy(x4) & exists e2 p2.(Topic(e2,p2) & Actor(e2,x4) & v_try(e2) & exists e3.(Theme(e3,x2) & Actor(e3,x4) & v_lift(e3))) & while(e1,p1) & Theme(e1,x3) & Actor(e1,x1) & v_flip(e1) & n_person(x3) & -(x3 = x2) & n_man(x1))
exists p1 x1 e1 p2 x2 x3.((x1 = x2) & Topic(e1,p2) & Actor(e1,x3) & v_try(e1) & exists e2 x4.(Theme(e2,x4) & Actor(e2,x3) & v_flip(e2) & r_else(x4) & n_person(x4)) & (x2 = x3) & n_person(x2))