premise: Several people wearing green shirts walk on the beach together.
hypothesis: Some people are walking on the beach collecting sea shells.
explanation_1: Walking on the beach does not imply they are collecting sea shells.
explanation_2: It is not necessary that all people walking along the beach are collecting sea shells
explanation_3: There are other reasons to walk on the beach beyond collecting sea shells.
premise_logic: exists e1 e2 s1 s2 s3 x1 x2 x3 x4.(n_beach(x4) & a_together(s3) & Manner(e2,s3) & on(e2,x4) & Actor(e2,x1) & v_walk(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_shirt(x3) & a_green(s2) & Theme(s2,x3) & (x1 = x2) & n_people(x1) & a_several(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 e2 x1 x2 x3 x4.(n_beach(x2) & for(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_collect(e2) & n_shell(x3) & of(x3,x4) & n_sea(x4) & on(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_people(x1))