He absolutely does not. He said "using only the candles and a box of matches". He never says "as a heat source". There's nothing in the problem as given that wo

He absolutely does not. He said "using only the candles and a box of matches". He never says "as a heat source". There's nothing in the problem as given that would indicate moving the water to someplace low pressure is within the rules but moving it to someplace hot is not.