premise: A choir practicing in a church.
hypothesis: A group of singers sings.
explanation_1: The choir consists of a group of singers.
explanation_2: A group of singers sings is same as choir practicing
explanation_3: A group of singers is a choir.
premise_logic: exists x1 x2 x3.(a_topic(x1) & in(x1,x3) & n_church(x3) & n_practicing(x1) & of(x1,x2) & n_choir(x2))
hypothesis_logic: exists x1 x2 x3.(a_topic(x1) & of(x1,x2) & n_sing(x2) & of(x2,x3) & n_singer(x3) & n_group(x1))
premise_sim: exists x1 x2 x3.(of(x1,x2) & n_practicing(x1) & n_church(x3) & n_choir(x2) & in(x1,x3) & a_topic(x1))
hypothesis_sim: exists x1 x2 x3.(of(x2,x3) & of(x1,x2) & n_singer(x3) & n_sing(x2) & n_group(x1) & a_topic(x1))