premise: Group of guys sitting in a circle.
hypothesis: There are no females around them.
explanation_1: You can not infer there are no females.
explanation_2: FEMALES CAN BE INCLUDED IN THE GUYS GROUP. GUYS  NOT ONLY INDICATE BOYS
explanation_3: Guys sometimes implies a mixed gender group , that it doesn't necessarily mean there are no females.
premise_logic: exists e1 s1 x1 x2 x3.(ne_org_group(s1) & a_topic(s1) & of(s1,x1) & in(e1,x3) & n_circle(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_guy(x1))
hypothesis_logic: exists p1 x1 x3.(n_thing(x3) & -exists x2.((x1 = x2) & around(x2,x3) & n_female(x2)))
premise_sim: exists e1 s1 x1 x2 x3.(v_sit(e1) & of(s1,x1) & ne_org_group(s1) & n_guy(x1) & n_circle(x3) & in(e1,x3) & a_topic(s1) & Actor(e1,x2) & (x1 = x2))
hypothesis_sim: exists x1 x3.(n_thing(x3) & all x2.(-n_female(x2) | -around(x2,x3) | -(x1 = x2)))