premise: A musician playing a guitar while he has the microphone inside his mouth.
hypothesis: The man is playing the trombone.
explanation_1: He can't play the trombone with a microphone in his mouth
explanation_2: The man can't be playing the guitar and the trombone at the same time.
explanation_3: The guitar and the trombone are two different instruments.
premise_logic: exists e1 p1 x1 x2 x3 x4 x5.(n_microphone(x4) & a_topic(x1) & exists e2 x1.(Theme(e2,x4) & Actor(e2,x1) & v_have(e2) & inside(x4,x5) & n_male(x1)) & n_mouth(x5) & of(x5,x1) & n_male(x1) & while(e1,p1) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_guitar(x3) & (x1 = x2) & n_musician(x1))
hypothesis_logic: exists e1 x1 x2.(n_trombone(x2) & n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1))