Burn Energy
Table:
Burn Energy
Type	Energy Drink
Manufacturer	Monster Beverage
Introduced	2001
Variants	Burn Original
Burn Tropical
Burn Berry
Burn Blue
Burn Mocha Energy (Coffee-flavored and non-carbonated)
Burn Sugarfree
Burn Lemon Ice

From the table, decide if the statement is entailed, neutral, or refuted by the data. Return the result as JSON: {"answer": "YOUR ANSWER"}.

Assertion: All Burn Energy drinks are sugar free.

answer: refuted