premise: Rugby player in blue dives to tackle the ball carrier in white.
hypothesis: A rugby player is playing in a match.
explanation_1: Sentence 2 has no identifying colors as Rugby player in blue and ball carrier in white, and because this is left out there is no competitive nature to Sentence 2 which just states the rugby player is playing in a match.
explanation_2: Diving to tackle a ball is a form of playing.
explanation_3: Rugby player in blue dives to tackle the ball so they should be playing  in a match.
premise_logic: exists p1 s1 x1 x2 x3 x4 x5.(n_carrier(x4) & of(x4,x5) & n_ball(x5) & a_topic(x1) & in(x1,x3) & Topic(x3,p1) & exists e1 s2 x6.(Theme(e1,x4) & Actor(e1,x3) & v_tackle(e1) & Theme(s2,x6) & a_white(s2) & (x4 = x6)) & n_dive(x3) & a_blue(s1) & Theme(s1,x3) & n_player(x1) & (x1 = x2) & ne_nam_rugby(x2))
hypothesis_logic: exists e1 s1 x1 x2.(in(e1,x2) & n_match(x2) & Actor(e1,x1) & v_play(e1) & n_player(x1) & a_rugby(s1) & Theme(s1,x1))