premise: A person in a green coat looks upwards while leaning against a fixture in front of a tree.
hypothesis: A person is looking up at a cloudy sky.
explanation_1: Looking upwards does not indicate a cloudy sky.
explanation_2: The person may not be looking upwards to look at the sky, and the sky itself may not necessarily be cloudy.
explanation_3: The sky is not always cloudy.
premise_logic: exists e2 e1 s1 x1 x2 x3 x4 x5 x6.(while(e1,e2) & in(e2,x5) & of(x5,x6) & n_tree(x6) & n_front(x5) & against(e2,x4) & n_fixture(x4) & Actor(e2,x1) & v_lean(e2) & Theme(e1,x3) & Actor(e1,x1) & v_look(e1) & n_upward(x3) & in(x1,x2) & n_coat(x2) & a_green(s1) & Theme(s1,x2) & n_person(x1))
hypothesis_logic: exists e1 s1 s2 x1 x2.(a_up(s2) & Manner(e1,s2) & at(e1,x2) & n_sky(x2) & a_cloudy(s1) & Theme(s1,x2) & Actor(e1,x1) & v_look(e1) & n_person(x1))