Please capitalize where necessary: there are adventure hiking trails with interactive stations, educational trails or even hiking trails which can be done with a stroller.
A: There are adventure hiking trails with interactive stations, educational trails or even hiking trails which can be done with a stroller.

Q: its ingredients are natural and safe.

A: Its ingredients are natural and safe.

Q: for the latter's "hyperhistorical complex", for the "judeocentric, lococentric and egocentric" character of his writings, one may refer to the two recent autobiographical volumes published under the title tous les fleuves vont a la mer, memoires 1 et 2 ( all rivers run to the sea ).
A: For the latter's "hyperhistorical complex", for the "judeocentric, lococentric and egocentric" character of his writings, one may refer to the two recent autobiographical volumes published under the title Tous les fleuves vont a la mer, Memoires 1 et 2 ( All Rivers Run to the Sea ).

Problem: three or five pay lines can be found in reel slots. video slots have 9, 15, 25, or even 100 different pay lines.
Can you repeat this sentence, but capitalize it?
Answer: Three or five pay lines can be found in reel slots. Video slots have 9, 15, 25, or even 100 different pay lines.

Text: as the war proceeded, the policy developed of using jewish detainees for labour in the war-effort.

Correct capitalization: As the war proceeded, the policy developed of using Jewish detainees for labour in the war-effort.

Problem: make sure to document the transaction in the form of a legal agreement. the agreement can prove to be very useful for future references, and can help avoid any misunderstandings and complications.
Can you repeat this sentence, but capitalize it?
Answer:
Make sure to document the transaction in the form of a legal agreement. The agreement can prove to be very useful for future references, and can help avoid any misunderstandings and complications.