A mishnah on the previous daf leads into a discussion of what is excluded when one swears off benefit from another. Including returning a lost object, for example, and how benefit should go to the Temple treasury. And the dispute that arises in this question. Plus, an important assessment of these passages as difficult, which leads to considerations of different manuscripts or editions before the different commentators. Also, the complications this emerge from swearing off benefit - specifically, one swears off from another's benefit from his loaf of bread, and then gives that same loaf as a gift. What is the halakhah in such a case? Along with a dispute on the implications of this case.