premise: Two men practicing a form of martial arts in a wooden-floored studio.
hypothesis: Two men practicing martial arts
explanation_1: Two men practicing martial arts is less descript and does not include where they are practicing.
explanation_2: Two men practicing martial arts means the same as two men practicing a form of martial arts.
explanation_3: Sentence 1 is more descriptive in stating that the two men are practicing a FORM of martial arts in a wooden-floor studio.  Sentence 2 is more concise but explains the same thought.
premise_logic: exists e1 s1 s2 x1 x2 x3 x4 x5.(a_topic(x1) & in(e1,x5) & n_studio(x5) & a_wooden-floored(s2) & Theme(s2,x5) & Theme(e1,x3) & Actor(e1,x2) & v_practice(e1) & of(x3,x4) & n_art(x4) & a_martial(s1) & Theme(s1,x4) & n_form(x3) & (x1 = x2) & n_man(x1) & card_eq_2(x1))
hypothesis_logic: exists e1 s1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_practice(e1) & n_art(x3) & a_martial(s1) & Theme(s1,x3) & (x1 = x2) & n_man(x1) & card_eq_2(x1))