This is a test of commonsense. Complete the next sentence:

How to make aloo keema (a pakistani dish )
In a pressure cooker, put about 1/2 cup of cooking oil and turn the heat on.
Peel the garlic and chop it into little pieces.
Then, put it in the pressure cooker.
Stir with intervals while doing these steps : Peel the onion and chop it into pieces, " not " very small pieces; each little piece should be about 1 centimeter (0.4 in). Peel the tomatoes and chop them in half.