premise: A male performer sings and plays the guitar in front of a microphone.
hypothesis: A boy is helping his dad dig a ditch.
explanation_1: You can't play the guitar and dig a ditch at the same time.
explanation_2: One cannot be playing the guitar and digging a ditch simultaneously.
explanation_3: The person that plays the guitar in front of a microphone cannot be helping his dad dig a ditch same time.
premise_logic: (x)
hypothesis_logic: exists e1 e2 x1 x2 x3 x4.(Theme(e2,x4) & Actor(e2,x1) & v_dig(e2) & n_ditch(x4) & Theme(e1,x3) & Actor(e1,x2) & v_help(e1) & n_dad(x3) & of(x3,x1) & n_male(x1) & (x1 = x2) & n_boy(x1))