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0. Consider the input graph G as given below. Assume that we contract uniformly at random the edges of G until only two vertices remain. Further assume that G1 is the resultant graph after the first four edge contractions. Which of the following statements are true?
If the edges contracted were (a1, b1), (b1, c1), (a3, b3) and (b3, c3), then G1 will have 18 edges.
If the edges contracted were (a1, b1), (b1, c1), (a3, b3) and (b3, c3), then G1 will have 20 edges.
G1 will have at least 12 edges
The mincut in G1 could be smaller than the mincut in G.
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