premise: A family with young children sits down outside.
hypothesis: There is a family sitting outside with their children.
explanation_1: both the family and children are mentioned above, and after sitting down one is sitting, so having sat down they are now sitting.
explanation_2: Family sitting outside with children is a rephrasing of "family with children sits outside".
explanation_3: A family that sits outside is sitting outside.
premise_logic: exists e1 s1 s2 s3 x1 x2.(a_outside(s3) & Manner(e1,s3) & a_down(s2) & Manner(e1,s2) & Actor(e1,x1) & v_sit(e1) & with(x1,x2) & n_child(x2) & a_young(s1) & Theme(s1,x2) & n_family(x1))
hypothesis_logic: exists p1 x1 e1 x2 x3 x4.((x1 = x2) & with(e1,x4) & n_child(x4) & of(x4,x2) & n_thing(x2) & r_outside(e1) & Actor(e1,x3) & v_sit(e1) & (x2 = x3) & n_family(x2))
premise_sim: exists e1 s1 s2 s3 x1 x2.(with(x1,x2) & v_sit(e1) & n_family(x1) & n_child(x2) & a_young(s1) & a_outside(s3) & a_down(s2) & Theme(s1,x2) & Manner(e1,s3) & Manner(e1,s2) & Actor(e1,x1))
hypothesis_sim: exists x1 e1 x2 x3 x4.(with(e1,x4) & v_sit(e1) & r_outside(e1) & of(x4,x2) & n_thing(x2) & n_family(x2) & n_child(x4) & Actor(e1,x3) & (x2 = x3) & (x1 = x2))