2 kids talk to the horses.
The children are petting the horses and telling them hello.
Just because 2 kids talk to the horses does not necessary that they are petting the horses and telling them hello.
exists x1 x2 x3.(n_horse(x3) & a_topic(x1) & to(x1,x3) & n_talk(x1) & of(x1,x2) & n_kid(x2) & n_date(x1) & a_date_day_02(x1) & a_date_day_02(x1))
exists e1 e2 s1 x1 x2.(n_thing(x2) & n_child(x1) & n_horse(x2) & a_hello(s1) & Manner(e2,s1) & Theme(e2,x2) & Actor(e2,x1) & v_tell(e2) & Theme(e1,x2) & Actor(e1,x1) & v_pet(e1))