Example: She walked slowly. Method: Figure out which word is taking the place of a person and select it. Answer: The word 'She' in the above sentence is taking the place of a person. Therefore, the answer is 'She'.
Example: My dog is sleepy. Method: Figure out which word is telling us about ownership and select it. Answer: The word 'My' in the above sentence tells us that the dog belongs to me. Therefore, the answer is 'My'.