premise: A man with a fist shares his ego with another man in a brown shirt.
hypothesis: They are fighting.
explanation_1: We have no idea if they are fighting or not. They could be messing around.
explanation_2: Having a fist and sharing and ego does not necessarily imply fighting.
explanation_3: You can not infer they are fighting.
premise_logic: (x)
hypothesis_logic: exists e1 x1.(n_thing(x1) & Actor(e1,x1) & v_fight(e1))