premise: A man wearing a blue jacket fishing in a river having a conversation with his friend with no shirt.
hypothesis: Men talking, while catching fish.
explanation_1: just because they were at the river did not mean they were catching fish.
explanation_2: You can wear a fishing jacket and not catching fish.
explanation_3: Men can fish without necessarily catching fish.
premise_logic: exists e2 e1 s1 x1 x2 x3 x4 x5 x6 x7 x8.(a_topic(x1) & Theme(e2,x3) & Actor(e2,x2) & v_wear(e2) & in(x3,x5) & -exists x9.(with(e1,x8) & with(x8,x9) & n_shirt(x9)) & n_friend(x8) & of(x8,x1) & n_male(x1) & Theme(e1,x7) & Actor(e1,x6) & v_have(e1) & n_conversation(x7) & (x5 = x6) & n_river(x5) & n_fishing(x3) & of(x3,x4) & n_jacket(x4) & a_blue(s1) & Theme(s1,x3) & (x1 = x2) & n_man(x1))
hypothesis_logic: exists e1 x1 x2 x3 x4 x5.(while(x5,e1) & n_event(x5) & rel(e1,x3) & n_talking(x3) & of(x3,x4) & n_man(x4) & Theme(e1,x2) & Actor(e1,x1) & v_catch(e1) & n_fish(x2) & n_thing(x1))