there he played an active part in the association for free lectures on mathematics which was a student association and the predecessor of the union of czech mathematicians and physicists .

How would the previous sentence be correctly capitalized?
Answer: There he played an active part in the Association for Free Lectures on Mathematics which was a student association and the predecessor of the Union of Czech Mathematicians and Physicists .
like humans, honey bees have their origins in africa.

How would the previous sentence be correctly capitalized?
Answer: Like humans, honey bees have their origins in Africa.
the greatest interest among the games are ball games. strange as it is football, basketball, and volleyball at the most popular games.

How would the previous sentence be correctly capitalized?
Answer: The greatest interest among the games are ball games. Strange as it is football, basketball, and volleyball at the most popular games.
my sex life does not cost me much, i'm very happy about it.

How would the previous sentence be correctly capitalized?
Answer: My sex life does not cost me much, I'm very happy about it.