He-dentify he He-diffs He-and He-click He-it He-to He-firm. He-you He-get 100 He-points He-for He-every He-correct He-click He-and He-you He-lose 10 He-points He-for He-every He-wrong He-click. He-at He He-end He-of He He-third He-wrong He-click He He-game He-gets He-over.