Given below are two statements : One is labelled as Assertion (A) and the other is labelled as Reason (R).

"I wish it were possible."

Assertion (A) : Despite the fact that the above sentence lacks subject-verb concord, as per the English Grammar, it is a syntactically correct sentence.
Reasons (R) : It is a syntactically correct sentence because in subjunctive mood (of verb) even singular subject is followed by a plural verb.

In the light of the above statements, choose the correct answer from the options given below :