2. For each of the following bipartite graphs, determine whether or not there exists a matching that covers X. If there is, then list all the edges in that matching. If not, then find the subset of X that fails the condition in Hall's Theorem (Theorem 4.6.3). (c) X1 X2 X3 M У1 Уз Y₁ x1 X2 31 32 Y2 X3 уз X4 Y4 Y4 X5 Y5 23 XA XXXXXX Y3 YA IS X6 Y5 Y6 16 Y6

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