premise: A man walking by a cement column next to the sea.
hypothesis: A man is sitting near the sea.
explanation_1: On the first sentence the man is walking while on the second sentence the man is sitting.
explanation_2: One can not be walking and sitting simultaneously.
explanation_3: walking doesn't mean sitting
premise_logic: exists x1 x2 x3 x4 x5 x6.(n_sea(x6) & a_topic(x1) & by(x1,x3) & to(x5,x6) & next(x3,x5) & n_thing(x5) & n_column(x3) & of(x3,x4) & n_cement(x4) & n_walking(x1) & of(x1,x2) & n_man(x2))
hypothesis_logic: exists e1 x1 x2.(n_sea(x2) & near(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))