Please choose the correct solution to the question: To light your charcoal grill without lighter fluid

Solution1: You can use a piece of paper dipped in vegetable oil. Place the paper below the charcoal and light the paper.  This will cause the charcoal to light.

Solution2: You can use a piece of paper dipped in vegetable oil.  Place the paper on top of the charcoal and light the paper.  This will cause the charcoal to light.

Answer format: solution1/solution2