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

Sentence: 'a picture of a toilet and toilet paper in a bathroom'. Count the occurrences of the word 'a' in the given sentence.
3

Sentence: 'a truck tipped over next to a guard rail'. Count the occurrences of the word 'to' in the given sentence.
1

Sentence: 'a street sign with a comical view of a person legs above it'. Count the occurrences of the word 'a' in the given sentence.

3