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? "ST27i It's a good and useful app. I've been using it for along time. But I've got a question what's the deference between this app and Atarashii!BETA"
++++++++++
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? "Stupid Piece of poop"
++++++++++
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? "good but need update update this and with new featurs such 64 bit support"
++++++++++
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? "A very good product"
++++++++++
output:
3