2) Except for some recent automation categories, there is no rate distinction in First Class among letters, flats, and parcels.
The rate distinction in letters, flats, and parcels is minimal.
First Class among letters, flats, and parcels each have different rates.
Some people on stairs.
a boy is playing the guitar
Guave didn't say anything about what he knew.
A kid plays outside.
And definitely some money.
Two old men are talking.