premise: A choir of youths are singing.
hypothesis: the children are singing at home
explanation_1: Youths and children are different descriptive words.
explanation_2: Answer: Youth refers to teenage while children refers to kids.
explanation_3: A choir of youths is not the same as children singing at home.
premise_logic: exists e1 x1 x2.(Actor(e1,x1) & v_sing(e1) & of(x1,x2) & n_youth(x2) & n_choir(x1))
hypothesis_logic: exists e1 x1 x2.(n_child(x1) & at(e1,x2) & n_home(x2) & Actor(e1,x1) & v_sing(e1))
premise_sim: exists e1 x1 x2.(v_sing(e1) & of(x1,x2) & n_youth(x2) & n_choir(x1) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2.(v_sing(e1) & n_home(x2) & n_child(x1) & at(e1,x2) & Actor(e1,x1))