input: Unsure about which type of GXF file you have Do you want to know exactly what it is who created it and how to open it
fixed: Unsure about which type of GXF file you have? Do you want to know exactly what it is, who created it, and how to open it?
input ---- The room is hot and sultry Next to us a lone Asian girl shares her adventures in the eternal city with some postcards
output ---- The room is hot and sultry. Next to us a lone Asian girl shares her adventures in the eternal city with some postcards.
Add punctuation: In mechanically ventilated houses there is a high risk that animals will suffer serious harm if the ventilation system fails and is not reestablished quickly
A: In mechanically ventilated houses, there is a high risk that animals will suffer serious harm if the ventilation system fails and is not re-established quickly.
QUESTION: Fix punctuation: We put the composte in a special plastic bag Which well get from the landlord
ANS: We put the composte in a special plastic bag, Which we'll get from the landlord.
QUES: Lottery date Sunday 15 May 2016

correct the punctuation.

CORRECTED: Lottery date: Sunday 15 May 2016
QUES: On the other hand for a maximum df has to be negative and that requires that fxxx0 be negative

correct the punctuation.

CORRECTED:
On the other hand for a maximum df has to be negative and that requires that fxx(x0) be negative.