instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'a full plate of food that includes rice and broccoli and carrots'. Find frequency of the letter 's'
answer:
2


question:
Sentence: 'a woman with short, brown hair is looking into a circular mirror and holding a camera up to her cheek'. Find frequency of the letter 'e'
answer:
4


question:
Sentence: 'young girl playing with refrigerator magnet while kneeling on floor'. Find frequency of the letter 'n'
answer:

6