A man in a wetsuit is surfing on a white surfboard.
A man is outside surfing.
Surfing implies being outside.
exists e1 s1 x1 x2 x3.(on(e1,x3) & n_surfboard(x3) & a_white(s1) & Theme(s1,x3) & Actor(e1,x1) & v_surf(e1) & in(x1,x2) & n_wetsuit(x2) & n_man(x1))
exists p1 x1.(exists s1 x2.((x1 = x2) & n_surfing(x2) & a_outside(s1) & Theme(s1,x2)) & n_man(x1))