premise: A woman singer holding a microphone singing at a concert.
hypothesis: madonna is singing at a concert
explanation_1: We have no idea that the woman is madonna she could be anyone.
explanation_2: Just because it is a woman singer does not mean it is madonna.
explanation_3: Not all singer women are madonna.
premise_logic: exists e1 e2 x1 x2 x3 x4 x5 x6.(a_topic(x1) & Theme(e2,x4) & Actor(e2,x3) & v_hold(e2) & at(e1,x6) & n_concert(x6) & Actor(e1,x5) & v_sing(e1) & (x4 = x5) & n_microphone(x4) & (x1 = x3) & n_singer(x1) & of(x1,x2) & n_woman(x2))
hypothesis_logic: exists e1 x1 x2.(at(e1,x2) & n_concert(x2) & Actor(e1,x1) & v_sing(e1) & n_madonna(x1))