Below are given two statements A and B. These statements may be either independent causes or may be effects of independent causes or a common cause. One of these statements may be the effect of the other statements. Read both the statements and decide which of the following answer choice correctly depicts the relationship between these two statements.

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Statements (A):
Many people left from the city for their native places during the summer months.
Statements (B):
Many tourists gathered in the city during summer months.