premise: Coed choir singing at an event.
hypothesis: A choir is singing.
explanation_1: Coed choir is a type of choir.
explanation_2: 'A choir is singing' is a simpler rephrasing of 'Coed choir singing at an event'.
explanation_3: A coed choir is singing.
premise_logic: exists e2 e1 x1 x2 x3.(a_topic(x1) & at(e2,x3) & n_event(x3) & Actor(e2,x2) & v_sing(e2) & (x1 = x2) & n_choir(x1) & Theme(e1,x1) & v_coe(e1))
hypothesis_logic: exists e1 x1.(Actor(e1,x1) & v_sing(e1) & n_choir(x1))
premise_sim: exists e2 e1 x1 x2 x3.(v_sing(e2) & v_coe(e1) & n_event(x3) & n_choir(x1) & at(e2,x3) & a_topic(x1) & Theme(e1,x1) & Actor(e2,x2) & (x1 = x2))
hypothesis_sim: exists e1 x1.(v_sing(e1) & n_choir(x1) & Actor(e1,x1))