Analyze the sentiment of this statement extracted from a financial news article. Provide your answer as either negative, positive, or neutral.
Text: The current reference grade instruments are challenging to operate due to their high price and complexity for routine use .
Answer:
Analyze the sentiment of this statement extracted from a financial news article. Provide your answer as either negative, positive, or neutral.
Text: The current reference grade instruments are challenging to operate due to their high price and complexity for routine use .
Answer:+negative