Please capitalize where necessary: during a more extensive excavation in 1875 two coffins were found containing the remains of two men.
A: During a more extensive excavation in 1875 two coffins were found containing the remains of two men.

Q: all comments below have been left by people who have spent some time in a hot and sexy show, via live webcam with camyllaray

A: All comments below have been left by people who have spent some time in a hot and sexy show, via live webcam with CamyllaRay

Q: take a look at all our offers for a vacation on the island of elba
A: Take a look at all our offers for a vacation on the Island of Elba

Problem: but isn't that the point of the exercise?"
Can you repeat this sentence, but capitalize it?
Answer: But isn't that the point of the exercise?"

Text: the home assistant pack has two 3w speakers, and far-field detection that can recognize a voice from up to 3m in any direction using two built-in mics, and weighs 300g. lenovo said pricing for the home assistant pack will start at $79.99 and it will go on sale next month.

Correct capitalization: The Home Assistant Pack has two 3W speakers, and far-field detection that can recognize a voice from up to 3m in any direction using two built-in mics, and weighs 300g. Lenovo said pricing for the Home Assistant Pack will start at $79.99 and it will go on sale next month.

Text: many of the substances in the hair loss natural remedy involve green tea and green coffee extract, both well-known for their antioxidant properties.

Correct capitalization:
Many of the substances in the hair loss natural remedy involve green tea and green coffee extract, both well-known for their antioxidant properties.