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

Input: Consider Input: Sentence: 'a woman standing on a beach flying a kite'. Count the occurrences of the word 'a' in the given sentence.

Output: 3


Input: Consider Input: Sentence: 'a street sign hanging from a pole that reads hampsire under a dark sky'. Count the occurrences of the word 'a' in the given sentence.

Output: 3


Input: Consider Input: Sentence: 'two people standing on a snow covered ground holding a kite'. Count the occurrences of the word 'a' in the given sentence.


Output: 2