move the mouse pointer to the lower-left corner of the desktop.

How would the previous sentence be correctly capitalized?
Answer: Move the mouse pointer to the lower-left corner of the desktop.
the existence of dalnet relies solidly on the good will of other.

How would the previous sentence be correctly capitalized?
Answer: The existence of DALnet relies solidly on the good will of other.
spain, photos of spain, plaza de la virgen - valencia

How would the previous sentence be correctly capitalized?
Answer: Spain, photos of Spain, Plaza de la Virgen - Valencia
a game of poker with a fixed limit to the amount players can bet, and a prescribed number of raises.

How would the previous sentence be correctly capitalized?
Answer: A game of poker with a fixed limit to the amount players can bet, and a prescribed number of raises.