premise: A man with no shirt on is performing with a baton.
hypothesis: A man is trying his best at the national championship of baton.
explanation_1: doesn't mean his is trying for the national championship
explanation_2: A shirt is not necessarily a requirement for a national championship competition
explanation_3: The man could be performing anywhere other than at a national championship.
premise_logic: exists x1.(-exists e1 s1 x2 x3 x4.(with(e1,x4) & n_baton(x4) & Actor(e1,x1) & v_perform(e1) & with(x1,x2) & Theme(s1,x3) & a_on(s1) & (x2 = x3) & n_shirt(x2)) & n_man(x1))
hypothesis_logic: exists e1 s1 x1 x2 x3 x4.(n_championship(x3) & a_national(s1) & Theme(s1,x3) & at(e1,x3) & of(x3,x4) & n_baton(x4) & Theme(e1,x2) & Actor(e1,x1) & v_try(e1) & r_most(x2) & n_good(x2) & of(x2,x1) & n_male(x1) & n_man(x1))