premise: Swimming in the wide blue ocean.
hypothesis: It is the backstroke.
explanation_1: There are other ways to swim besides the backstroke.
explanation_2: Not all swimming is the backstroke.
explanation_3: Swimming can be any stroke, not just the backstroke.
premise_logic: exists s1 s2 x1 x2.(n_ocean(x2) & a_blue(s2) & Theme(s2,x2) & a_wide(s1) & Theme(s1,x2) & a_topic(x1) & in(x1,x2) & n_swim(x1))
hypothesis_logic: exists p1 x1 x2.(n_backstroke(x2) & n_thing(x1) & (x1 = x2))
premise_sim: exists s1 s2 x1 x2.(n_swim(x1) & n_ocean(x2) & in(x1,x2) & a_wide(s1) & a_topic(x1) & a_blue(s2) & Theme(s2,x2) & Theme(s1,x2))
hypothesis_sim: exists x1 x2.(n_thing(x1) & n_backstroke(x2) & (x1 = x2))