A greyhound sporting number 4 is racing.
The greyhound is number 2.
Number 4 is greater than number 2 by two.
exists e1 p1 x1 x2.(exists x3.((x1 = x3) & n_racing(x3)) & n_number(x1) & n_date(x1) & a_date_day_04(x1) & a_date_day_04(x1) & Actor(e1,x1) & v_sport(e1) & of(x1,x2) & n_greyhound(x2))
exists p1 x1.(n_greyhound(x1) & exists x2.((x1 = x2) & n_number(x2) & n_date(x2) & a_date_day_02(x2) & a_date_day_02(x2)))