premise: Several people wearing green shirts walk on the beach together.
hypothesis: A man in a red shirt is reading at the park.
explanation_1: People are not a man.
explanation_2: Green and red are different colors.
explanation_3: There are either several people or just one man.  The subject cannot be wearing a red shirt if the shirts are green.
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 s1 x1 x2 x3.(n_park(x3) & at(e1,x3) & Actor(e1,x1) & v_read(e1) & in(x1,x2) & n_shirt(x2) & a_red(s1) & Theme(s1,x2) & n_man(x1))