2. Consider the graph in Figure 3.21, in which each edge b and c- is labeled as a strong tie (S) or a weak tie (W). S According to the theory of strong and weak ties, with the strong triadic closure as- sumption, how would you expect the edge connecting b and c to be labeled? Give a brief (1-3 sentence) explanation for your answer. 'S W W ? Figure 3.21: - W S except the edge connecting S