Four little kids in cute outfits sitting down.
Four siblings are relaxing outside
Just because the kids are together doesn't not mean they are siblings. They could also be sitting inside, not outside.
exists e1 s1 s2 s3 x1 x2 x3.(a_topic(x1) & in(x1,x2) & a_down(s3) & Manner(e1,s3) & Actor(e1,x3) & v_sit(e1) & (x2 = x3) & n_outfit(x2) & a_cute(s2) & Theme(s2,x2) & n_kid(x1) & a_little(s1) & Theme(s1,x1) & card_eq_4(x1))
exists e1 s1 x1.(a_outside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_relax(e1) & n_sibling(x1) & card_eq_4(x1))