Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to make roasted tomato ketchup [title] Cut your tomatoes and remove the stems. [step] To start, you need to prepare your tomatoes so they can be used in the kitchen. You will have to cut them into small chunks and also remove the stems.

Ending1: [substeps] You can slice your tomatoes with a paring knife or a meat grinder, as well. [title] Warm up your tomato slices on a microwave. Ending2: [substeps] To remove the stems from either side of the tomato, simply use a fork to pry out each stem. Cut into the bottom of the tomato to create a flat surface. Ending3: [title] Heat the oil and put it on the stove. [step] Place your skillet or a small sauce pan over medium heat. Ending4: Take out the pepper and put it in a small bowl. Take all of the pieces of thin peel and peel it off.

Answer format: ending1/ending2/ending3/ending4