premise: A mother shading her baby with an umbrella as she and her partner climb the stairs.
hypothesis: A young woman holds a red umbrella over her infant son as she goes upstairs.
explanation_1: baby doesn't imply infant
explanation_2: Mothers are not necessarily young.  Umbrellas can be any color other than red.  Babies can be male or female.
explanation_3: A baby could be a son or a daughter.
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 e1 p1 s1 s2 x1 x2 x3 x4.(exists e2 s3.(a_upstairs(s3) & Manner(e2,s3) & Actor(e2,x1) & v_go(e2)) & n_female(x1) & n_female(x1) & as(e1,p1) & over(e1,x3) & n_son(x3) & of(x3,x4) & n_infant(x4) & of(x3,x1) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_umbrella(x2) & a_red(s2) & Theme(s2,x2) & n_woman(x1) & a_young(s1) & Theme(s1,x1))