People with umbrellas standing in front of a house decorated for Christmas with trees, lights, and a biblical scene on a wall.
It's raining outside.
Just because people have umbrellas does not imply that it is raining outside.  People can also use umbrellas to shield themselves from the sun.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 x11 x12.(ne_tim_christmas(x8) & a_topic(x1) & with(x1,x2) & in(e1,x4) & of(x4,x5) & for(e2,x7) & subset_of(x11,x7) & on(x11,x12) & n_wall(x12) & n_scene(x11) & a_biblical(s1) & Theme(s1,x11) & subset_of(x8,x7) & with(x8,x9) & rel(x9,x10) & n_light(x10) & n_tree(x9) & Theme(e2,x6) & v_decorate(e2) & (x5 = x6) & n_house(x5) & n_front(x4) & Actor(e1,x3) & v_stand(e1) & (x2 = x3) & n_umbrella(x2) & n_people(x1))
exists e1 p1 x1.(n_thing(x1) & exists s1.(Theme(s1,x1) & a_outside(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_rain(e1))