People walk down a street during a rainy day.
People use umbrellas when it is raining outside.
It cannot be inferred whether or not people use umbrellas on rainy days.
exists e1 s1 x1 x2 x3.(during(e1,x3) & n_day(x3) & a_rainy(s1) & Theme(s1,x3) & down(e1,x2) & n_street(x2) & Actor(e1,x1) & v_walk(e1) & n_people(x1))
exists e1 p1 x1 x2.(exists e2 s1.(a_outside(s1) & Manner(e2,s1) & Actor(e2,x1) & v_rain(e2)) & n_thing(x1) & when(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_use(e1) & n_umbrella(x2) & n_people(x1))