##### What is the minimum number of tables required to represent the given situation in the relational model?

Let *E*1 and *E*2 be two entities in an *E*/*R* diagram with simple-valued attributes. *R*1 and *R*2 are two relationships between *E*1 and *E*2, where *R*1 is one-to-many and *R*2 is many-to-many. *R*1 and *R*2 do not have any attributes of their own. What is the minimum number of tables required to represent this situation in the relational model?

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