Deadlock The four processes A,B, C, D attempt to allocate some of the resources P,Q,R,S. The first request for a resource is granted . Other request for the same resource block the process. Consider the following interleaved execution of allocation requests : C requests P , B requests Q ,A requests R, D requests S, A request S, D requests P, C requests R,B requests S. Is there any deadlock ? If yes Which request leads to deadlock