Instructions: In this task, You are given a review of Amazon's food products. Your task is to divide them into two classes: negative or positive, depending on the content of the review.
Input: Since I wrote the review following I have had nothing but troble. Phone keeps switching to Emergency Calls Only. Have taken it to my carrier 3 times and had the sim card replaced. Want to return this phone. Phone works well. My first smart phone and am still finding how things work. Charger that comes with it is for Europe and the promised adaptor did not come with it.
Output:
negative