A shirtless young man wearing worn-out jeans and socks does a back flip on the trampoline.
A young man somersaults on the grass.
The young man either flips on the trampoline or somersaults on the grass, not both.
exists e2 e1 s1 s2 s3 s4 x1 x2 x3 x4 x5 x6 x7.(n_trampoline(x7) & on(e2,x7) & Theme(e2,x6) & Actor(e2,x1) & v_do(e2) & n_flip(x6) & a_back(s4) & Theme(s4,x6) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & subset_of(x5,x3) & n_sock(x5) & subset_of(x4,x3) & n_jeans(x4) & a_worn-out(s3) & Theme(s3,x4) & (x1 = x2) & n_man(x1) & a_young(s2) & Theme(s2,x1) & a_shirtless(s1) & Theme(s1,x1))
exists s1 x1 x2 x3.(n_grass(x3) & a_topic(x1) & on(x1,x3) & n_somersault(x1) & of(x1,x2) & n_man(x2) & a_young(s1) & Theme(s1,x1))