Please capitalize where necessary: they had eleven children of whom seven reached adulthood.
A: They had eleven children of whom seven reached adulthood.

Q: these quit smoking campaigns could be adapted for local use, according to a world lung foundation survey of nearly 2,400 smokers in bangladesh, china, egypt, india, indonesia, mexico, philippines, russia, turkey and vietnam. the aim of the study, notes india's news blog the hindu was to "assess the comprehension, acceptability and potential effectiveness of five television advertisements in communicating an anti-smoking message and motivating cessation among adults in low- and middle-income countries".

A: These quit smoking campaigns could be adapted for local use, according to a World Lung Foundation survey of nearly 2,400 smokers in Bangladesh, China, Egypt, India, Indonesia, Mexico, Philippines, Russia, Turkey and Vietnam. The aim of the study, notes India's news blog The Hindu was to "assess the comprehension, acceptability and potential effectiveness of five television advertisements in communicating an anti-smoking message and motivating cessation among adults in low- and middle-income countries".

Q: australia powerball lottery results - thursday 14 january 2016
A: Australia Powerball lottery results - Thursday 14 January 2016

Problem: if you really need a car, you can get your new one now. you can consider public transport too, it's cheaper, and you don't need any loans for it. however, it may not be convenient for everyone depending on their needs.
Can you repeat this sentence, but capitalize it?
Answer: If you really need a car, you can get your new one now. You can consider public transport too, it's cheaper, and you don't need any loans for it. However, it may not be convenient for everyone depending on their needs.

Text: you can change options such as the graphics and render mode, fullscreen play, audio playback and subtitle speed in the configuration file.

Correct capitalization: You can change options such as the graphics and render mode, fullscreen play, audio playback and subtitle speed in the configuration file.

Text: accordingly, we ran the first courses in chinese culture by c3 consulting during the year 2011, and based on the good experiences we have had, we have in 2012 added courses in indian culture.

Correct capitalization:
Accordingly, we ran the first courses in Chinese culture by C3 Consulting during the year 2011, and based on the good experiences we have had, we have in 2012 added courses in Indian culture.