If you want to go further, it sometimes feels like the "who what where" pronouns are like sql prepared statements. In English, we have question and answer Q:

If you want to go further, it sometimes feels like the "who what where" pronouns are like sql prepared statements. In English, we have question and answer Q: Where do you want to go for lunch? A: I want to go to that pub for lunch. In Chinese you'd say Q: You want to go to ?? pub for lunch? A: I want to go to that pub for lunch. It even works for numbers, like Q: It is ?? o'clock? A: It is 7 o'clock.