A shirtless man skateboarding with his arms in the air.
a shirtles man is skateboarding
A shirtless man skateboarding is skateboarding.
exists e1 s1 x1 x2 x3 x4.(n_air(x4) & a_topic(x1) & with(e1,x3) & in(x3,x4) & n_arm(x3) & of(x3,x1) & n_male(x1) & Actor(e1,x2) & v_skateboard(e1) & (x1 = x2) & n_man(x1) & a_shirtless(s1) & Theme(s1,x1))
exists e1 p1 x1.(exists e2 x2.(Actor(e2,x2) & v_skateboard(e2) & n_man(x2)) & Topic(e1,p1) & Actor(e1,x1) & v_shirtle(e1) & n_a(x1))