Please choose the correct solution to the question: How can you make eggs bounce?

Solution1: You can make a coloured bouncy egg by adding food colouring to the vinegar. Or, you can soak raw eggs in vinegar, with a similar result. Don't bounce raw eggs though - they might pop! Egg shell is made of calcium carbonate.

Solution2: You can make a coloured bouncy egg by adding food colouring to the vinegar. Or, you can cook raw eggs in vinegar, with a similar result. Don't bounce raw eggs though - they might pop! Egg shell is made of calcium carbonate.

Answer format: solution1/solution2
Answer: solution1