Please choose the correct ending to complete the given sentence: Preparing pasta: A chef is working inside a kitchen. he

Ending1: is washing clean dishes in the sink. Ending2: is cooking in several pots and skillets as he talks. Ending3: uses knives to cut up vegetables to make a sandwich. Ending4: is using different ingredients to make a sandwich by cutting pieces from two slices of bread.

Answer format: ending1/ending2/ending3/ending4