Read the following passage and answer the question that follows.
'Firefighter training manuals emphasize that the 'Two-In, Two-Out' policy is a critical safety procedure. This rule requires that at least two firefighters enter an Immediately Dangerous to Life or Health (IDLH) atmosphere together and remain in visual or voice contact with one another at all times. Additionally, at least two firefighters must remain outside the IDLH atmosphere, fully equipped and ready to rescue the interior team should an emergency arise. This outside team is often referred to as the Rapid Intervention Team (RIT). The policy is a direct result of analyses of firefighter fatalities where single firefighters became lost, disoriented, or incapacitated inside a hazardous environment.'
Based on the passage, what is the primary purpose of the 'Two-In, Two-Out' policy?
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A
To ensure at least four firefighters are on the scene of every fire.
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B
To mandate the use of specific communication equipment.
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C
To enhance firefighter safety and provide a dedicated rescue capability in hazardous environments.
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D
To document firefighter fatalities for training analysis.