In this task, you need to count the number of words in a sentence that contain the given letter

Sentence: 'an image of a person holding a blunt object is rendered in red and blue tones'. How many words contain the letter 'x' in the sentence.
0

Sentence: 'a airplane is seen at the airport with other airplanes'. How many words contain the letter 'z' in the sentence.
0

Sentence: 'a kitchen stove with a red tea kettle sitting on it'. How many words contain the letter 'a' in the sentence.

3