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

Input: Consider Input: Sentence: 'a microwave a clothing iron and a candles make an unusual grouping'. Count the occurrences of the word 'a' in the given sentence.

Output: 3


Input: Consider Input: Sentence: 'there are many people that are riding a elephant'. Count the occurrences of the word 'are' in the given sentence.

Output: 2


Input: Consider Input: Sentence: 'a kitchen table with a black vase with a lot of flowers in it'. Count the occurrences of the word 'a' in the given sentence.


Output: 3