Please capitalize where necessary: so players can still play the game.
A: So players can still play the game.
Q: the significant event for post's career had been the publication of russell and whitehead 's principia mathematica.

A: The significant event for Post's career had been the publication of Russell and Whitehead 's Principia Mathematica.
Q: butter can be an especially rich source of activator x when it comes from cows eating rapidly growing grass in the spring and fall seasons.
A: Butter can be an especially rich source of Activator X when it comes from cows eating rapidly growing grass in the spring and fall seasons.
Problem: in the early morning it will be cloudy, but mainly dry. before noon variable clouds with isolated rain showers will dominate. the evening will bring clouds with light rain.
Can you repeat this sentence, but capitalize it?
Answer: In the early morning it will be cloudy, but mainly dry. Before noon variable clouds with isolated rain showers will dominate. The evening will bring clouds with light rain.
Text: join date: february 3, 2011

Correct capitalization: Join date: February 3, 2011
Problem: when organizations switch to google apps, we often find that many employees are already using google tools in their personal lives.
Can you repeat this sentence, but capitalize it?
Answer:
When organizations switch to Google Apps, we often find that many employees are already using Google tools in their personal lives.