premise: A group of men and boys look upwards at something.
hypothesis: A group of people looking up.
explanation_1: Men and boys are people.
explanation_2: men and boys constitute people and looking up is a rephrasing of look upwards.
explanation_3: Looking up is the same as looking upwards. It is a rephrasing.
premise_logic: exists e1 x1 x2 x3 x4 x5 x6.(at(e1,x6) & n_thing(x6) & Theme(e1,x5) & Actor(e1,x1) & v_look(e1) & n_upward(x5) & of(x1,x2) & n_boy(x4) & n_man(x3) & subset_of(x4,x2) & subset_of(x3,x2) & n_group(x1))
hypothesis_logic: exists e1 s1 x1 x2 x3.(a_topic(x1) & of(x1,x2) & a_up(s1) & Manner(e1,s1) & Actor(e1,x3) & v_look(e1) & (x2 = x3) & n_people(x2) & n_group(x1))
premise_sim: exists e1 x1 x2 x3 x4 x5 x6.(v_look(e1) & subset_of(x4,x2) & subset_of(x3,x2) & of(x1,x2) & n_upward(x5) & n_thing(x6) & n_man(x3) & n_group(x1) & n_boy(x4) & at(e1,x6) & Theme(e1,x5) & Actor(e1,x1))
hypothesis_sim: exists e1 s1 x1 x2 x3.(v_look(e1) & of(x1,x2) & n_people(x2) & n_group(x1) & a_up(s1) & a_topic(x1) & Manner(e1,s1) & Actor(e1,x3) & (x2 = x3))