I'll give you a question, please answer with step-by-step reasoning process. She tried to show her grandma she could look up the restaurant's information on her smartphone, but the old lady wanted to just use the what?\nOptions:\n- yellow pages\n- new york\n- business sector\n- canada\n- big city

User
Old people prefer yellow pages. Yellow pages are good source of information for any restaurant.
The answer: yellow pages.
Assistant