premise: A frightened boy is carrying a hammer, ready to defend himself.
hypothesis: The boy is swimming in the ocean.
explanation_1: Carrying a hammer is not a normal way of self defense while swimming
explanation_2: If the boy is carrying a hammer he isn't swimming in the ocean.
explanation_3: It is not likely that the boy would be carrying a hammer while swimming in the ocean.
premise_logic: exists e1 p1 s1 s2 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_carry(e1) & Topic(s2,p1) & Actor(s2,x3) & a_ready(s2) & exists e2.(Theme(e2,x1) & Actor(e2,x3) & v_defend(e2)) & n_male(x1) & (x2 = x3) & n_hammer(x2) & n_boy(x1) & a_frightened(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 x1 x2.(n_ocean(x2) & n_boy(x1) & in(e1,x2) & Actor(e1,x1) & v_swim(e1))