The police arrested four criminals - P, Q, R and S. The criminals knew each other. They made the following statements:P says “Q committed the crime.”Q says “S committed the crime.”R says “I did not do it.”S says “What Q said about me is false.”Assume only one of the arrested four committed the crime and only one of the statements made above is true. Who committed the crime?

• A. P
• B. R
• C. S
• D. Q