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? "Very simple. Thanks for a nice app after using a lots of similar apps. But try it ad free."
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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? "Shit Updates without permission sucks up memory and completely useless"
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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? "Awesome fr psp It feels I'm really playin' PSP"
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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? "Ok"
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output:
4