input question: To color seltzer water blue.

output answer: Open your soda bottle or can and generously stir in drops of blue food coloring to create a deep, bright blue hue.

input question: how to clean grease spills

output answer: dampen a cloth with vinegar, and rub.

input question: Choose some suitable paper.

output answer:
Scrapbook paper works the best for this. If your wood piece is much larger than the scrapbook paper, consider using wrapping paper instead--just make sure that it is not obvious! Another alternative is to create your design on the computer, then print it out using an inkjet printer.