Two toddlers sitting in mom's lap.
A mother is sitting down with her children.
If two toddlers are in mom's lap, then it is assumed that a mother is with her children.
exists e1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x4) & n_lap(x4) & of(x4,x3) & n_mom(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_toddler(x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(with(e1,x2) & n_child(x2) & of(x2,x1) & n_female(x1) & a_down(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sit(e1) & n_mother(x1))