premise: A group of people standing on rafts with a waterfall in the background.
hypothesis: A group of people standing on blue and white rafts.
explanation_1: Not all the group of people will standing on rafts with a waterfall in the background
explanation_2: Not all rafts are blue and white rafts.
explanation_3: Nothing in the first sentence indicates that the rafts are blue and white.
premise_logic: exists e1 x1 x2 x3 x4 x5 x6.(n_background(x6) & a_topic(x1) & of(x1,x2) & with(e1,x5) & in(x5,x6) & n_waterfall(x5) & on(e1,x4) & n_raft(x4) & Actor(e1,x3) & v_stand(e1) & (x2 = x3) & n_people(x2) & n_group(x1))
hypothesis_logic: exists e1 s1 s2 x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & on(e1,x4) & n_raft(x4) & a_white(s2) & Theme(s2,x4) & a_blue(s1) & Theme(s1,x4) & Actor(e1,x3) & v_stand(e1) & (x2 = x3) & n_people(x2) & n_group(x1))