QUESTION: Fix punctuation: We shall give details of this collaboration below but first we shall complete the details of Whiteheads career
ANS: We shall give details of this collaboration below, but first we shall complete the details of Whitehead's career.

QUESTION: Fix punctuation: Successfully passing the CISM exam the first time will save you many hours of studying and the additional exam fees you would have to pay if you fail
ANS: Successfully passing the CISM exam the first time will save you many hours of studying and the additional exam fees you would have to pay if you fail.

QUESTION: Fix punctuation: A vast crowd hearing this collected outside and finally burst in seized the two brothers and tore them to pieces
ANS: A vast crowd, hearing this, collected outside and finally burst in, seized the two brothers, and tore them to pieces.

QUESTION: Fix punctuation: anal double anal double penetration
ANS:
anal, double anal, double penetration