Please choose the correct solution to the question: Recycling used coffee grounds, flour and water to mould and bake biodegradable flowerpots.

Solution1: Using equal parts coffee grounds and flour dough with a little water, create flower pots. Bake coffee grounds at 120 degrees for 40 mins.

Solution2: Using equal parts used coffee grounds and flour with a little water, create flower pots. Bake at 120 degrees C for 40 mins.

Answer format: solution1/solution2