Maybe you'll understand if I say I'm gonna rank out of 10 how much the client cares about it(0 being don't care at all, and 10 being a must). If the user is asked where he would like to go on a vacancy(country) maybe, he cares about 2/10. If the user is asked what is your budget, he might care like 8/10 since he hasn't a lot of money. But the bot can't know which criteria is most important to the user so he'll just try to give his best answers that would fit both