question: the same possibility also exists for most of the other eu-15 countries.
Capitalize this past sentence correctly.
A: The same possibility also exists for most of the other EU-15 countries.

question: download the text for the stories in occitan and english
Capitalize this past sentence correctly.
A: Download the text for the stories in Occitan and English

question: the fastest and easiest way to open your eps file is to double-click it.
Capitalize this past sentence correctly.
A: The fastest and easiest way to open your EPS file is to double-click it.