premise: A couple are having lunch together.
hypothesis: People are sharing a sandwich.
explanation_1: Lunch can be many things, not just sharing a sandwich.
explanation_2: A couple might have lunch together without sharing a sandwich.
explanation_3: The couple having a lunch together may not be about to eat a sandwich.
premise_logic: exists e1 s1 x1 x2.(a_together(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_lunch(x2) & n_couple(x1))
hypothesis_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_share(e1) & n_sandwich(x2) & n_people(x1))