Man riding on bicycle with white and green bike shirt and helmet.
A man is competing in a cycling competition.
Just because a man is riding a bicycle while wearing a helmet does not mean he is competing in a cycling competition.
exists s1 s2 x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & on(x1,x3) & with(x3,x4) & n_helmet(x6) & n_shirt(x5) & of(x5,x7) & n_bike(x7) & subset_of(x6,x4) & subset_of(x5,x4) & a_green(s2) & Theme(s2,x4) & a_white(s1) & Theme(s1,x4) & n_bicycle(x3) & n_riding(x1) & of(x1,x2) & n_man(x2))
exists e1 x1 x2 x3.(in(e1,x2) & n_competition(x2) & of(x2,x3) & n_cycling(x3) & Actor(e1,x1) & v_compete(e1) & n_man(x1))