Please choose the correct ending to complete the given sentence: Preparing pasta: A man puts water in a pot to boil. then

Ending1: , the man pour noodles in the speeds of boiling the noodles. Ending2: , the man serve the potato with spoon. Ending3: , the man adds penne pasta and salt to cook. Ending4: , the guy puts flour in the baking pan and cakes it.

Answer format: ending1/ending2/ending3/ending4