premise: This boy is in deep concentration playing a game of ping-pong.
hypothesis: The boy crossed several levels by playing with sincerity and full concentration
explanation_1: The boy can play with deep concentration and still lack the skill to cross levels.
explanation_2: It says the boy is in full concentration not that he crossed several levels.
explanation_3: Not everyone that plays ping-pong does it with sincerity.
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 e2 s1 s2 x1 x2 x3 x4 x5.(n_boy(x1) & by(e1,e2) & with(e2,x3) & subset_of(x5,x3) & n_concentration(x5) & a_full(s2) & Theme(s2,x5) & subset_of(x4,x3) & n_sincerity(x4) & Actor(e2,x1) & v_play(e2) & Theme(e1,x2) & Actor(e1,x1) & v_cross(e1) & n_level(x2) & a_several(s1) & Theme(s1,x2))