One girl sitting down reading and another girl standing in front of her.
Some people are reading to each other.
The fact that one girl sitting down reading and another girl standing in front of her does not imply that some people are reading to each other.
exists e1 s1 x1 x2 x3 x4 x5 x6 x7.(a_topic(s1) & subset_of(x5,s1) & in(x5,x7) & of(x7,x3) & n_female(x3) & n_front(x7) & n_standing(x5) & of(x5,x6) & n_girl(x6) & -(x5 = x4) & n_standing(x4) & of(x4,x1) & n_girl(x1) & n_girl(x1) & subset_of(x1,s1) & down(e1,x3) & n_reading(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & card_eq_1(x1))
exists e1 x1.(all x2.(n_other(x2) -> to(e1,x2)) & Actor(e1,x1) & v_read(e1) & n_people(x1))