Two little girls share a coloring book and crayons while sitting together at the table.
The two little girls are sisters.
Just because two little girls are sharing crayons and coloring books doesn't mean they are sisters.
exists e3 e2 e1 p1 s1 x1 x2 x3 x4 x5.(n_table(x5) & while(e2,e3) & at(e3,x5) & exists s2.(Theme(s2,x1) & a_together(s2)) & Topic(e3,p1) & Actor(e3,x1) & v_sit(e3) & Theme(e2,x2) & Actor(e2,x1) & v_share(e2) & subset_of(x4,x2) & n_crayon(x4) & subset_of(x3,x2) & n_book(x3) & Actor(e1,x3) & v_color(e1) & n_girl(x1) & a_little(s1) & Theme(s1,x1) & card_eq_2(x1))
exists p1 s1 x1.(n_girl(x1) & a_little(s1) & Theme(s1,x1) & card_eq_2(x1) & exists x2.((x1 = x2) & n_sister(x2)))