the consumer ombudsman has prepared a guide on environmental marketing, which explains briefly how environmental claims can be used in the marketing of products without violating the marketing act.

How would the previous sentence be correctly capitalized?
Answer: The Consumer Ombudsman has prepared a guide on environmental marketing, which explains briefly how environmental claims can be used in the marketing of products without violating the Marketing Act.
"a personal investment software package that incorporates all of the tools an end-of-day trader requires to make informed trading decisions. investx includes portfolio management, technical analysis and market-filtering tools.

How would the previous sentence be correctly capitalized?
Answer: "A personal investment software package that incorporates all of the tools an end-of-day trader requires to make informed trading decisions. investX includes portfolio management, technical analysis and market-filtering tools.
if you want to remove an individual spot or pimple in a rush, first cover it with a soaking wet warm cloth for about 1 minute in order to 'open' it up. apply some nomore pimples to a piece of cotton wool and leave it over the pimple for 20 minutes or longer, if possible.

How would the previous sentence be correctly capitalized?
Answer: If you want to remove an individual spot or pimple in a rush, first cover it with a soaking wet warm cloth for about 1 minute in order to 'open' it up. Apply some nomore pimples to a piece of cotton wool and leave it over the pimple for 20 minutes or longer, if possible.
if you want to know in advance what turns me off: rude, unpolite people!,

How would the previous sentence be correctly capitalized?
Answer: If you want to know in advance what turns me off: Rude, unpolite people!,