premise: A boy hitting a soccer ball with his chest.
hypothesis: He is the forward.
explanation_1: A soccer player at any position could hit a soccer ball with his chest.  He doesn't have to be playing forward.  The boy may not even be in a soccer game or on a soccer team.
premise_logic: exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_hit(e1) & with(x3,x5) & n_chest(x5) & of(x5,x1) & n_male(x1) & n_ball(x3) & of(x3,x4) & n_soccer(x4) & (x1 = x2) & n_boy(x1))
hypothesis_logic: exists p1 s1 x1.(n_male(x1) & a_forward(s1) & Manner(p1,s1) & exists x2.((x1 = x2) & n_the(x2)))
premise_sim: exists e1 x1 x2 x3 x4 x5.(with(x3,x5) & v_hit(e1) & of(x5,x1) & of(x3,x4) & n_soccer(x4) & n_male(x1) & n_chest(x5) & n_boy(x1) & n_ball(x3) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & (x1 = x2))
hypothesis_sim: exists p1 s1 x1.(n_male(x1) & exists x2.(n_the(x2) & (x1 = x2)) & a_forward(s1) & Manner(p1,s1))