premise: An elderly man with glasses, a red ball cap and backpack is standing in front of an open doorway.
hypothesis: the man is flying a plane
explanation_1: A person cannot stand in a doorway and fly a plane. Planes are flown in the sky
explanation_2: A man does not have to be elderly.  If an elderly man is not standing in front of an open doorway the man is not flying a plane.
explanation_3: Flying a plane is done in a seated position and the first man is standing.
premise_logic: exists e1 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7 x8.(in(e1,x7) & of(x7,x8) & n_doorway(x8) & a_open(s3) & Theme(s3,x8) & n_front(x7) & Actor(e1,x1) & v_stand(e1) & with(x1,x2) & rel(x2,x3) & subset_of(x6,x3) & n_backpack(x6) & subset_of(x4,x3) & n_cap(x4) & of(x4,x5) & n_ball(x5) & a_red(s2) & Theme(s2,x4) & n_glass(x2) & n_man(x1) & a_elderly(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_fly(e1) & n_plane(x2))
premise_sim: exists e1 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7 x8.(with(x1,x2) & v_stand(e1) & subset_of(x6,x3) & subset_of(x4,x3) & rel(x2,x3) & of(x7,x8) & of(x4,x5) & n_man(x1) & n_glass(x2) & n_front(x7) & n_doorway(x8) & n_cap(x4) & n_ball(x5) & n_backpack(x6) & in(e1,x7) & a_red(s2) & a_open(s3) & a_elderly(s1) & Theme(s3,x8) & Theme(s2,x4) & Theme(s1,x1) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2.(v_fly(e1) & n_plane(x2) & n_man(x1) & Theme(e1,x2) & Actor(e1,x1))