premise: Group of people standing and sitting in a field of grass.
hypothesis: They are all playing checkers
explanation_1: WE have no idea if the group of people are playing checkers or doing something else.
explanation_2: People standing and sitting in grass are not always playing checkers
explanation_3: You can not infer they are playing checkers.
premise_logic: exists e2 e1 s1 x1 x2 x3 x4 x5.(ne_org_group(s1) & a_topic(s1) & of(s1,x1) & in(e2,x4) & of(x4,x5) & n_grass(x5) & n_field(x4) & Actor(e2,x3) & v_sit(e2) & (x1 = x3) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_people(x1))
hypothesis_logic: exists e1 s1 x1 x2.(n_thing(x1) & a_all(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_checkers(x2))
premise_sim: exists e2 e1 s1 x1 x2 x3 x4 x5.(v_stand(e1) & v_sit(e2) & of(x4,x5) & of(s1,x1) & ne_org_group(s1) & n_people(x1) & n_grass(x5) & n_field(x4) & in(e2,x4) & a_topic(s1) & Actor(e2,x3) & Actor(e1,x2) & (x1 = x3) & (x1 = x2))
hypothesis_sim: exists e1 s1 x1 x2.(v_play(e1) & n_thing(x1) & n_checkers(x2) & a_all(s1) & Theme(e1,x2) & Manner(e1,s1) & Actor(e1,x1))