I need help with 2, 3, and 4. The questions with the red box around them, not question 1. Programming language is Java. This is a worksheet i'm working on. These questions are entirely possible to complete without outside information. I just need the blanks filled in. Thanks in advance. :)

1- What nodes would P and C be referencing after the method findNode was invoked to locate: a The node with key 4 in the tree on the right? b) The node with key 5 in the tree on the right? To c) The root node in the tree on the right? After returning from findNode(key, p, c), give the code to (note: don't consider the TreeNodeWrapper class) a Fetch a deep copy of the node with key 4. b) Insert the node with key field 5. c) Delete the node with key field 6. d) Delete the node with key field 8