5. With no outs, R1 on first base and R2 on second base, B3 hits a ground ball to F6. F6 throws to F4 to force out R1 at second base. F4 throws the ball to F3 at first base and U1 declares B3 safe. B3, thinking she was out, walks off the base and enters her dugout before her coach yells at her to return to first base.