premise: Two strong men work to saw a log.
hypothesis: two strong men work to saw the oak log
explanation_1: Two men sawing a log does not imply that it is made of oak.
explanation_2: The log does not have to be oak.  It could be any type of tree.
explanation_3: The log must not be from oak.
premise_logic: exists e1 e2 s1 s2 x1 x2 x3.(Theme(e2,x3) & Actor(e2,x1) & v_see(e2) & n_log(x3) & a_to(s2) & Manner(e1,s2) & Actor(e1,x2) & v_work(e1) & (x1 = x2) & n_man(x1) & a_strong(s1) & Theme(s1,x1) & card_eq_2(x1))
hypothesis_logic: exists e1 e2 s1 s2 x1 x2 x3 x4.(n_log(x3) & of(x3,x4) & n_oak(x4) & Theme(e2,x3) & Actor(e2,x1) & v_see(e2) & a_to(s2) & Manner(e1,s2) & Actor(e1,x2) & v_work(e1) & (x1 = x2) & n_man(x1) & a_strong(s1) & Theme(s1,x1) & card_eq_2(x1))