premise: An older man is walking in a large grassy area with a small plane in the background about to land.
hypothesis: A person is outside.
explanation_1: A person doesn't imply an older man.
explanation_2: This seems like a reasonable inference, there is a person outside.
explanation_3: A grassy area is not necessarily outside.
premise_logic: exists e1 p1 s1 s2 s3 s4 s5 s6 x1 x2 x3 x4 x5.(n_background(x5) & Topic(e1,p1) & a_about(s6) & Manner(p1,s6) & exists e2.(Actor(e2,x1) & v_land(e2)) & in(e1,x5) & with(e1,x4) & n_plane(x4) & a_small(s5) & Theme(s5,x4) & in(e1,x3) & n_area(x3) & a_grassy(s4) & Theme(s4,x3) & a_large(s3) & Theme(s3,x3) & Actor(e1,x2) & v_walk(e1) & n_man(x2) & r_more(s2) & a_older(s2) & Theme(s2,x2) & n_man(x1) & r_more(s1) & a_older(s1) & Theme(s1,x1))
hypothesis_logic: exists s1 x1.(Theme(s1,x1) & a_outside(s1) & n_person(x1))