premise: A man in a blue shirt climbs a rock while people behind him in red shirts watch.
hypothesis: A man climbs rocks while other watch him.
explanation_1: A man (in a blue shirt) climbs a rock or rocks while other (people behind him in red shirts) watch him.
explanation_2: The man is climbing a rock while others watch him.
explanation_3: Man in a blue shirt is a type of man, and people behind him implies other watch him.
premise_logic: exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6 x7.(Theme(e2,x7) & Actor(e2,x1) & v_watch(e2) & n_thing(x7) & in(x1,x2) & in(e1,x6) & n_shirt(x6) & a_red(s2) & Theme(s2,x6) & while(e1,x5) & behind(x5,x1) & n_male(x1) & n_people(x5) & Theme(e1,x4) & Actor(e1,x3) & v_climb(e1) & n_rock(x4) & (x2 = x3) & n_shirt(x2) & a_blue(s1) & Theme(s1,x2) & n_man(x1))
hypothesis_logic: exists e1 s1 x1 x2 x3 x4.(n_watch(x4) & a_he(s1) & Manner(e1,s1) & while(e1,x3) & -(x3 = x4) & n_watch(x3) & Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_rock(x2) & n_man(x1))