In the following questions, a question is followed by data in the form of two statements labelled as I and II. You must decide whether the data given in the statements are sufficient to answer the questions.

Question 4

R is a relation defined on A, where A is the set {a,b,c,d,e}.
Is R symmetric?
I) $$R \subseteq A \times A$$
II) $$R = \left\{(x,y) \mid x \ is \ vowel \ and \ y = e \right\}$$

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