premise: A couple are having lunch together.
hypothesis: People are eating.
explanation_1: Having lunch is the same eating lunch.
explanation_2: A couple are people. If they are having lunch together, they are eating.
explanation_3: A couple are people.
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.(Actor(e1,x1) & v_eat(e1) & n_people(x1))