Please choose the correct ending to complete the given sentence: Making a lemonade: There's a young man and a young woman doing a tutorial on how to make homemade lemonade in their kitchen. the ingredients used for the lemonade

Ending1: are food preparation materials typed on a computer screen. Ending2: is then added to a vegetable broth. Ending3: are placed on the stove top. Ending4: is under the sink and the girl uses the various ingredients to make some lemonade.

Answer format: ending1/ending2/ending3/ending4