premise: A man is sitting in a chair and looking at something that he is holding.
hypothesis: A man is sitting down looking at something.
explanation_1: A man is sitting and looking and something he is holding.
explanation_2: Sitting in a chair is a rephrasing of sitting down.
explanation_3: The man who is sitting down is looking at something.
premise_logic: exists e3 e1 e2 x1 x2 x3 x4 x5.(at(e2,x4) & Theme(e3,x5) & Actor(e3,x1) & v_hold(e3) & (x4 = x5) & n_male(x1) & n_thing(x4) & Actor(e2,x3) & v_look(e2) & n_man(x3) & in(e1,x2) & n_chair(x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))
hypothesis_logic: exists e1 e2 s1 x1 x2.(for(e1,e2) & at(e2,x2) & n_thing(x2) & Actor(e2,x1) & v_look(e2) & a_down(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sit(e1) & n_man(x1))