Please capitalize where necessary: of course during this period he found it hard to keep in touch with developments in relativity theory which took place in germany.
A: Of course during this period he found it hard to keep in touch with developments in relativity theory which took place in Germany.
Q: in this article mark stolk invites us to have a look into the wonderful and magical world of colour, inspired by the vitamins of colour exhibition 2002 in copenhagen.

A: In this article Mark Stolk invites us to have a look into the wonderful and magical world of colour, inspired by The Vitamins of Colour exhibition 2002 in Copenhagen.
Q: holiday apartments in vis. apartments in vis, vis accommodation in komiza, 50 meters from the center of town.
A: Holiday apartments in Vis. Apartments in Vis, Vis Accommodation in Komiza, 50 meters from the center of town.
Problem: however, the study showed that ginkgo biloba was the only preparation that could be linked to a prophylactic effect on this type of pelvic cancer.
Can you repeat this sentence, but capitalize it?
Answer: However, the study showed that ginkgo biloba was the only preparation that could be linked to a prophylactic effect on this type of pelvic cancer.
Text: one of the important objectives of the sustainability initiative is to demonstrate that a large-scale project such as the eu presidency can be organised sustainably without any additional costs, and it is the hope that the experience and initiatives of the ministry of foreign affairs together with the iso20121 certification will serve as inspiration for others.

Correct capitalization: One of the important objectives of the sustainability initiative is to demonstrate that a large-scale project such as the EU Presidency can be organised sustainably without any additional costs, and it is the hope that the experience and initiatives of the Ministry of Foreign Affairs together with the ISO20121 certification will serve as inspiration for others.
Problem: they are all correct, at least in part, but none of them can be said to contain the whole truth about democracy.
Can you repeat this sentence, but capitalize it?
Answer:
They are all correct, at least in part, but none of them can be said to contain the whole truth about democracy.