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This paper is to argue that two complaints by anti-accommodation are mistaken and that the concept of presupposition accommodation is still needed. One of two complaints is involved with the problem of informative presuppositions. The problem is that while presuppositions are supposed to be conditions on the update of contexts, the update can go through perfectly well though the condition is not satisfied. The other complaint is that the process of accommodation involves mysterious magic. Concerning solving the problem of informative presuppositions, a time dependent account by von Fintel is used to defend common ground theory and accommodation theory. The account extends the range of common ground through before the update can be performed.