Analyze the sentiment of this statement extracted from a financial news article. Provide your answer as either negative, positive, or neutral.
Text: To prove the efficiency of the China Mobile system , Rod Baber , an English climber , climbed to the Mount Everest summit and successfully made calls .
Answer:
To prove the efficiency of the China Mobile system , Rod Baber , an English climber , climbed to the Mount Everest summit and successfully made calls .