In this task, you need to count the occurrences of the given word in the given sentence.

Input: Consider Input: Sentence: 'a bed room with a large window and a neatly made bed'. Count the occurrences of the word 'a' in the given sentence.

Output: 3


Input: Consider Input: Sentence: 'a couple of elephants out in the field having a snack'. Count the occurrences of the word 'a' in the given sentence.

Output: 2


Input: Consider Input: Sentence: 'two plates each holding one piece of cake'. Count the occurrences of the word 'cake' in the given sentence.


Output: 1