The people on the street need to be wearing sunscreen.
The people are wearing hazmat suits.
Hazmat suits are not sunscreen, they need to be wearing sunscreen.
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 e1 x1 x2 x3.(n_people(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_suit(x2) & of(x2,x3) & n_hazmat(x3))