Two girls in flip-flops walking.
Girls in flip-flops walking.
Two girls are girls.
exists s1 x1 x2.(a_topic(x1) & in(x1,x2) & n_walking(x2) & a_flip-flops(s1) & Theme(s1,x2) & n_girl(x1) & card_eq_2(x1))
exists s1 s2 x1.(ne_nam_girls(s1) & a_topic(s1) & in(s1,x1) & n_walking(x1) & a_flip-flops(s2) & Theme(s2,x1))