premise: Several people wearing green shirts walk on the beach together.
hypothesis: People are walking on the beach.
explanation_1: Generalizing several people walking together by using are in "People are walking"
explanation_2: People and several people are the same and if they are walking on the beach they are walking together.
explanation_3: Walking is rephrasing walk
premise_logic: exists e2 e1 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 x1 x2.(n_beach(x2) & on(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_people(x1))
premise_sim: exists e2 e1 s1 s2 s3 x1 x2 x3 x4.(v_wear(e1) & v_walk(e2) & on(e2,x4) & n_shirt(x3) & n_people(x1) & n_beach(x4) & a_together(s3) & a_several(s1) & a_green(s2) & Theme(s2,x3) & Theme(s1,x1) & Theme(e1,x3) & Manner(e2,s3) & Actor(e2,x1) & Actor(e1,x2) & (x1 = x2))
hypothesis_sim: exists e1 x1 x2.(v_walk(e1) & on(e1,x2) & n_people(x1) & n_beach(x2) & Actor(e1,x1))