UPSC Civil Services 2020 Prelims General Studies Paper II

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?