The people on the street need to be wearing sunscreen.
It is sunny on the street.
Just because people need sunscreen doesn't mean it's sunny, people need protection from the sun's rays even through clouds.
exists p1 x1 x2 x3.(Topic(x2,p1) & exists e1 x4.(Theme(e1,x4) & Actor(e1,x2) & v_wear(e1) & n_sunscreen(x4)) & n_need(x2) & of(x2,x3) & n_street(x3) & n_people(x1) & a_topic(x1) & on(x1,x2))
exists s1 x1 x2.(n_street(x2) & n_thing(x1) & on(s1,x2) & Theme(s1,x1) & a_sunny(s1))