The ACTIVITY of candle in jar : where we take a bowl, a jar, a candle and some water.
And we place the candle in the middle of bowl and give some water in the bowl and light the candle, then COVER the candle with a jar and in some seconds the candle EXTINGUISH and the water in the bowl come in the jar and FILL it.
Therefore :
We can say that candle need air to burn by above activity, as the jar cover the candle and candle don't get the air it extinguish. So, the answer is false.