premise: A fisherman using a cellphone on a boat.
hypothesis: A fisherman is sleeping on his boat.
explanation_1: You use a cellphone when you are awake, not sleeping.
explanation_2: The fisherman can not be both awake using a cell phone on his boat and sleeping  on his boat at the same time.
explanation_3: The fisherman cannot be sleeping while using a cellphone.
premise_logic: exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_use(e1) & on(x3,x4) & n_boat(x4) & n_cellphone(x3) & (x1 = x2) & n_fisherman(x1))
hypothesis_logic: exists e1 x1 x2.(on(e1,x2) & n_boat(x2) & of(x2,x1) & n_male(x1) & Actor(e1,x1) & v_sleep(e1) & n_fisherman(x1))
premise_sim: exists e1 x1 x2 x3 x4.(v_use(e1) & on(x3,x4) & n_fisherman(x1) & n_cellphone(x3) & n_boat(x4) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & (x1 = x2))
hypothesis_sim: exists e1 x1 x2.(v_sleep(e1) & on(e1,x2) & of(x2,x1) & n_male(x1) & n_fisherman(x1) & n_boat(x2) & Actor(e1,x1))