Two Statements S1 and S2 are given below with regard to four numbers $P$ , $Q$ , $R$ and $S$ followed by a Question :

S1 : $R$ is greater than $P$ as well as $Q$ .

S2 : $S$ is not the largest one.

Question :

Among four numbers $P$ , $Q$ , $R$ and $S$ , which one is the largest?

Which one of the following is correct in respect of the above Statements and the Question?

S1 alone is sufficient to answer the Question.

S2 alone is sufficient to answer the Question.

S1 and S2 together are sufficient to answer the Question, but neither S1 alone nor S2 alone is sufficient to answer the Question.

S1 and S2 together are not sufficient to answer the Question.