premise: This boy is in deep concentration playing a game of ping-pong.
hypothesis: Boy plays a game so sincerely
explanation_1: In deep concentration implies so sincerely.
explanation_2: in deep concentration means sincerely and playing a game is rephrasing of plays a game.
explanation_3: Playing a game of ping pong implies playing a game, and something being done with deep concentration implies that it is being done sincerely.
premise_logic: exists p1 x1.(n_boy(x1) & exists e1 s1 x2 x3 x4 x5.(in(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_play(e1) & of(x4,x5) & n_ping-pong(x5) & n_game(x4) & (x2 = x3) & n_concentration(x2) & a_deep(s1) & Theme(s1,x2)))
hypothesis_logic: exists e1 s1 x1 x2.(ne_nam_boy(x1) & r_so(e1) & a_sincerely(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_game(x2))