A boy in a yellow shirt walks with his surfboard out of the ocean.
The boy is not active
If the boy walks he is active.
exists e1 s1 x1 x2 x3 x4.(n_ocean(x4) & of(e1,x4) & r_out(e1) & with(e1,x3) & n_surfboard(x3) & of(x3,x1) & n_male(x1) & Actor(e1,x1) & v_walk(e1) & in(x1,x2) & n_shirt(x2) & a_yellow(s1) & Theme(s1,x2) & n_boy(x1))
exists x1.(n_boy(x1) & -exists s1.(Theme(s1,x1) & a_active(s1)))