premise: A group of people playing guitars and singing.
hypothesis: There are several people in this photo, and they are all making music.
explanation_1: Group of people are several people.
explanation_2: A group of people can also be described as 'several people', also if they are playing guitars and singing this can collectively be referred to as 'making music'.
explanation_3: Group of people are several people, and  playing guitars implies making music.
premise_logic: exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & of(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_play(e1) & n_singing(x6) & n_guitar(x5) & subset_of(x6,x4) & subset_of(x5,x4) & (x2 = x3) & n_people(x2) & n_group(x1))
hypothesis_logic: exists e1 p1 s1 x1 x2 x3.(n_thing(x2) & n_photo(x2) & a_all(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_make(e1) & n_music(x3) & in(p1,x2) & exists s2 x4.((x1 = x4) & n_people(x4) & a_several(s2) & Theme(s2,x4)))
premise_sim: exists e1 x1 x2 x3 x4 x5 x6.(v_play(e1) & subset_of(x6,x4) & subset_of(x5,x4) & of(x1,x2) & n_singing(x6) & n_people(x2) & n_guitar(x5) & n_group(x1) & a_topic(x1) & Theme(e1,x4) & Actor(e1,x3) & (x2 = x3))
hypothesis_sim: exists e1 p1 s1 x1 x2 x3.(v_make(e1) & n_thing(x2) & n_photo(x2) & n_music(x3) & in(p1,x2) & exists s2 x4.(n_people(x4) & a_several(s2) & Theme(s2,x4) & (x1 = x4)) & a_all(s1) & Theme(e1,x3) & Manner(e1,s1) & Actor(e1,x2))