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1. There is a dispute about a bloodstain that is larger than a Gris, but only one dead louse is found on it.
2. The Mishnah discusses the case of a woman who sees blood while relieving herself.
3. The Mishnah discusses the case of a man and woman who relieved themselves in the same toilet, and blood was then found in the water.
4. The Mishnah discusses the case of a woman who loaned her clothing to a Nidah or Nochris.
5. The Mishnah discusses the case of three women who all wore the same clothing, and then a bloodstain was found on it.


1. Rebbi Chanina: The Rabanan only allowed us to presume that the source of the stain is a louse when it is less than a Gris, and therefore this stain is Tamei. Rebbi Yanai: Just as we assume, in the absence of a louse, that a stain less than a Gris came from a louse and is thus Tahor, when a louse is present we may assume that the louse caused up to a Gris, and different lice caused the rest, and the stain is Tahor.
2. Rebbi Meir: If she is standing while this happens she is Tamei, but if she is sitting when this happens she is Tahor. Rebbi Yosi: Either way, she is Tahor.
3. Rebbi Yosi: She is Tahor. Rebbi Shimon: The woman is Tamei, as it is not normal for a man to emit blood when relieving himself.
4. If she later finds a bloodstain when she puts her garment back on, she may presume that it came from the Nidah or Nochris.
5. They are all deemed Tamei. However, if they all sat on a stone bench and found a bloodstain on it after they got up, they are deemed Tahor, as Rebbi Nechemyah stated that the law of bloodstains apply only to material that can become Tamei.

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