Deadlocks, Computer Operation System / Architecture

If you answered this already, please give alternative version. thanks,

(Q1) Given resource type Xwith two instances, resource type Ywith a single instance, and three threads. As illustrated in there source allocation graph, Thread 0 owns resource type Y's instance and is waiting for resource type X. Thread 1 owns one instance of resource type X. Thread 2 owns the other instance of resource type X and is waiting for resource type Y. Is there any deadlock? Why or why not? Thread 0 owned by Waiting for Resource X Thread 1 Resource Y Owned by Owned by Waiting for Thread 2