A skateboarder in a red shirt.
A person is washing the dishes.
A skateboarder cannot be washing dishes while skating.
exists s1 x1 x2.(a_topic(x1) & in(x1,x2) & n_shirt(x2) & a_red(s1) & Theme(s1,x2) & n_skateboarder(x1))
exists e1 x1 x2.(n_dish(x2) & Theme(e1,x2) & Actor(e1,x1) & v_wash(e1) & n_person(x1))