Which statement regarding process crashes and stuck processes in the Cisco IOS XR Software is true?

If a process crashes, SYSMGR will not attempt to restart it$.$

A process exit and a process crash are essentially the same thing.

If a process is permanently blocked in states such as REPLY, SEND, MUTEX, or CONDVAR, it might be a stuck process and should be investigated.

Stuck processes are processes that are temporarily blocked in any state.