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? "Can't update binary."
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output: 1

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? "Pretty nice but.. 5% battery usage by this wallpaper. My nexus 5 can't afford any battery drains like this."
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output: 3

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? "nice loved it"
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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? "Ek.no. Superb Bap Hai Bap"
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output:
5