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? "Not a marine compass Marines use gyrocompass which is non magnetic. This one is magnetic. It gets affected by iron."
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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? "No Lollipop Update? After updating to Lollipop this doesn't work anymore. No update to make it compatible?"
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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? "I don't want to update YouTube and ymail app need this xyzzzz update"
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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? "Ok"
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output:
3