A child in a pink hat on a pink surfboard.
A child is competing in a surfing competition.
Not a surfing is done for competition,
exists s1 s2 x1 x2 x3.(a_topic(x1) & in(x1,x2) & on(x2,x3) & n_surfboard(x3) & a_pink(s2) & Theme(s2,x3) & n_hat(x2) & a_pink(s1) & Theme(s1,x2) & n_child(x1))
exists e1 s1 x1 x2.(in(e1,x2) & n_competition(x2) & a_surfing(s1) & Theme(s1,x2) & Actor(e1,x1) & v_compete(e1) & n_child(x1))