premise: A man in a restaurant having lunch.
hypothesis: the man is eating.
explanation_1: The man is eating lunch in a restaurant.
explanation_2: You have to be eating to have lunch
explanation_3: The man is a man. He is in having lunch therefore he is eating.
premise_logic: exists e1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_have(e1) & n_lunch(x4) & (x2 = x3) & n_restaurant(x2) & n_man(x1))
hypothesis_logic: exists e1 x1.(n_man(x1) & Actor(e1,x1) & v_eat(e1))