premise: A man in a brightly colored vest performs on stage.
hypothesis: The singer is at the concert.
explanation_1: One cannot imply thast the performer is a singer, nor that it is a concert.
explanation_2: Just because he is performing on stage does not mean he is a singer.
explanation_3: Not all man performing on stage are singer
premise_logic: exists e1 s1 x1 x2 x3.(a_topic(x1) & in(x1,x2) & on(x2,x3) & n_stage(x3) & n_perform(x2) & r_most(s1) & a_vest(s1) & Theme(s1,x2) & Theme(e1,x2) & v_color(e1) & r_brightly(x2) & n_man(x1))
hypothesis_logic: exists p1 x1 x2.(n_concert(x2) & n_singer(x1) & at(x1,x2))
premise_sim: exists e1 s1 x1 x2 x3.(v_color(e1) & r_most(s1) & r_brightly(x2) & on(x2,x3) & n_stage(x3) & n_perform(x2) & n_man(x1) & in(x1,x2) & a_vest(s1) & a_topic(x1) & Theme(s1,x2) & Theme(e1,x2))
hypothesis_sim: exists x1 x2.(n_singer(x1) & n_concert(x2) & at(x1,x2))