input: Please answer the following: On a scale of 1-5 (with 1 being least favorable and 5 being most favorable), how would you rate this review? "Great app! Exactly what I looked for! It just does the job as it should. Simple and easy to use. Improvement on calibration would be great. Nice job guys!"
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output: 5

input: Please answer the following: On a scale of 1-5 (with 1 being least favorable and 5 being most favorable), how would you rate this review? "Somtimes can show not very accurate results but it is not app's issue but phone's g sensor. Good and useful app."
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output: 4

input: Please answer the following: On a scale of 1-5 (with 1 being least favorable and 5 being most favorable), how would you rate this review? "I like it The best app I use it in my work"
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output: 5

input: Please answer the following: On a scale of 1-5 (with 1 being least favorable and 5 being most favorable), how would you rate this review? "Whatever Don't care"
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output:
2