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 female in a blue shirt a cat and a plate'. Count the occurrences of the word 'a' in the given sentence.

Output: 4


Input: Consider Input: Sentence: 'a reflection of a wild animal in a side view mirror'. Count the occurrences of the word 'a' in the given sentence.


Output: 3