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 useful app"
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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? "Actually a very good concept Should add more options like in photos we can add nature or superheroes wallpaper If this happen i will definitely give it 5 star"
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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 am using this app with a VoipBuster account. I find it a lot better than VoipBuster's own app! This app runs as a service meaning that incoming calls can be received at any time. There are some aspects that can be improved though! At this moment dialing a number from android's contact list is not working!"
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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? "Lucid dreaming!"
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output:
5