premise: A man in a gray coat is walking on a fallen tree trunk in a forest.
hypothesis: A guy walks on a downed tree trunk.
explanation_1: A man is a guy and fallen is a synonym of downed so a fallen tree trunk is same as a downed tree trunk.
explanation_2: A guy is a man, and downed is a synonym of fallen.
explanation_3: The man was walking down a fallen tree trunk.
premise_logic: exists e1 s1 s2 x1 x2 x3 x4 x5.(in(e1,x5) & n_forest(x5) & on(e1,x3) & n_trunk(x3) & of(x3,x4) & n_tree(x4) & a_fallen(s2) & Theme(s2,x3) & Actor(e1,x1) & v_walk(e1) & in(x1,x2) & n_coat(x2) & a_gray(s1) & Theme(s1,x2) & n_man(x1))
hypothesis_logic: exists e1 s1 x1 x2 x3.(on(e1,x2) & n_trunk(x2) & of(x2,x3) & n_tree(x3) & a_downed(s1) & Theme(s1,x2) & Actor(e1,x1) & v_walk(e1) & n_guy(x1))