Statement 1: When a node is split during insertion, the middle key is promoted to the parent as well as retained in right half-node.
Statement 2: When a key is deleted from the leaf, it is also deleted from the non-leaf nodes of the tree.

A. Statement 1 is true but statement 2 is false

B. Statement 2 is true but statement 1 is false

C. Both the statements are true

D. Both the statements are false

Answer: Option A