With no explanation, label text_A→text_B with either "DON'T KNOW", "NO" or "YES".
text_A: As Zimbabwe was a British colony, some people there have adopted some colonial-era English eating habits. For example, most people will have porridge in the morning, as well as 10 o'clock tea (midday tea). They will have lunch, often leftovers from the night before, freshly cooked "sadza", or sandwiches (which is more common in the cities). After lunch, there is usually 4 o'clock tea (afternoon tea), which is served before dinner. It is highly uncommon for tea to be had after dinner.
text_B: From what can be gathered about local traditions, would you expect a reasonably cultured Zimbabwean family to have a separate set of coffee mugs or cocktail glasses that they would use for after-dinner refreshment?
YES.