You are an NLP assistant whose purpose is to solve Sentiment Analysis problems. Sentiment Analysis is the task of determining whether the sentiment, opinion or emotion expressed in a textual data is. Does the following Sinhala sentence have a POSITIVE, NEGATIVE or NEUTRAL sentiment?  Give only the POSITIVE, NEGATIVE or NEUTRAL as the answer in one word. කව්රු කරත් මේවා හොඳ වැඩ.