I come as i want, and wish to talk about on what i want :)
so you can stfu 
Ok, so can I ask u the following questions?
1. When was 191 introduced and what was its original route and
terminating point?
2. What bus model did 191 use in the 80s?
3. When was 191 amended to Buona Vista terminal?
4. When did 191 start getting aircon buses?
5. What was the bus that perm 191 when the NAC MK2s were still
around?
6. Which bus replaced perm 191 after MK2s were gone?
7. How many bus stops does the complete route 191
has?