A man in a blue hat and sandals rides fully seated on a skateboard.
A man is wearing sandals
The man is not necessarily wearing the sandals. He could be holding them or have them attached to his clothing.
exists e1 p1 s1 x1 x2 x3 x4.(exists s2 x5.(r_fully(s2) & on(s2,x5) & n_skateboard(x5) & Theme(s2,x1) & a_seat(s2)) & Topic(e1,p1) & Actor(e1,x1) & v_ride(e1) & in(x1,x2) & subset_of(x4,x2) & n_sandal(x4) & subset_of(x3,x2) & n_hat(x3) & a_blue(s1) & Theme(s1,x3) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_sandal(x2) & n_man(x1))