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

Input: Consider Input: Sentence: 'a man with a fake red nose holds a giant sunflower'. Count the occurrences of the word 'a' in the given sentence.

Output: 3


Input: Consider Input: Sentence: 'this is a landscape view of a church with a clock tower'. Count the occurrences of the word 'a' in the given sentence.

Output: 3


Input: Consider Input: Sentence: 'a car waiting for a train to pass'. Count the occurrences of the word 'a' in the given sentence.


Output: 2