Which of the following statements is false?

a) The primary functions used to manipulate a stack are push and pop.
b) Function pop removes a node from the bottom of the stack.
c) Function push creates a new node and places it on top of the stack.
d) A stack can be implemented as a constrained version of a linked list by allowing insertions and deletions only at one end of the linked list.

b) Function pop removes a node from the bottom of the stack.