premise: A mother shading her baby with an umbrella as she and her partner climb the stairs.
hypothesis: Two fathers maneuver their baby strollers into a foyer.
explanation_1: There are either two fathers or a mother and a partner of unknown gender.
explanation_2: The subject is either a mother or two fathers.
explanation_3: Two fathers cannot be a mother and her partner.
premise_logic: exists e1 x1 x2 x3 x4 x5 x6 x7 x8.(a_topic(x1) & with(e1,x4) & as(x4,x5) & subset_of(x6,x5) & n_stair(x8) & (x6 = x8) & n_climb(x6) & of(x6,x7) & n_partner(x7) & of(x6,x1) & n_female(x1) & n_female(x1) & n_female(x1) & subset_of(x1,x5) & n_umbrella(x4) & Theme(e1,x3) & Actor(e1,x2) & v_shade(e1) & n_baby(x3) & of(x3,x1) & (x1 = x2) & n_mother(x1))
hypothesis_logic: exists s1 x1 x2 x3 x4 x5.(a_topic(x1) & into(x1,x5) & n_foyer(x5) & n_stroller(x1) & of(x1,x4) & n_baby(x4) & a_their(s1) & Theme(s1,x1) & of(x1,x3) & n_maneuver(x3) & of(x1,x2) & n_father(x2) & card_eq_2(x1))