The girl with red sunglasses and a white shirt is sitting on a bench next to the girl in the black tank top.
two sisters are teasing each other
There is no evidence these two girls are sisters or that they are teasing each other. They may be friends sitting on a bench in the mall waiting for the boys to come back.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7.(n_top(x6) & of(x6,x7) & n_tank(x7) & a_black(s3) & Theme(s3,x6) & n_girl(x2) & n_girl(x2) & to(e1,x2) & in(x2,x6) & r_next(e1) & on(e1,x5) & n_bench(x5) & Actor(e1,x1) & v_sit(e1) & subset_of(x4,x1) & n_shirt(x4) & a_white(s2) & Theme(s2,x4) & subset_of(x2,x1) & with(x2,x3) & n_sunglass(x3) & a_red(s1) & Theme(s1,x3))
exists x1.(all x2.(n_other(x2) -> exists e1.(Theme(e1,x2) & Actor(e1,x1) & v_tease(e1))) & n_sister(x1) & card_eq_2(x1))