A teenage boy is doing a back flip in midair on the beach.
A boy is trying to impress his girlfriend.
do not know if he is trying to impress his girlfriend.
exists e1 s1 x1 x2 x3 x4 x5.(n_beach(x5) & on(e1,x5) & Theme(e1,x3) & Actor(e1,x1) & v_do(e1) & in(x3,x4) & n_midair(x4) & n_flip(x3) & a_back(s1) & Theme(s1,x3) & n_boy(x1) & of(x1,x2) & n_teenage(x2))
exists e1 p1 x1 x2.(Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2.(Theme(e2,x2) & Actor(e2,x1) & v_impress(e2)) & n_girlfriend(x2) & of(x2,x1) & n_male(x1) & n_boy(x1))