premise: Man sitting playing guitar.
hypothesis: A man is sitting and strumming a guitar.
explanation_1: Playing quitar may invove with strumming a quitar.
explanation_2: Playing means the same things as strumming.
explanation_3: Man sitting playing guitar because he is strumming it.
premise_logic: exists e1 s1 x1 x2 x3.(n_guitar(x1) & a_.(s1) & Theme(s1,x1) & of(x1,x3) & n_playing(x3) & Actor(e1,x1) & v_sit(e1) & of(x1,x2) & n_man(x2) & a_topic(x1))
hypothesis_logic: exists e2 e1 x1 x2 x3.(Theme(e2,x3) & Actor(e2,x2) & v_strum(e2) & n_guitar(x3) & n_man(x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))