question: be careful about losing weight too suddenly as this can promote the formation of gallstones.
Capitalize this past sentence correctly.
A: Be careful about losing weight too suddenly as this can promote the formation of gallstones.

question: what's the best free file synchronization software for windows?
Capitalize this past sentence correctly.
A: What's the best free file synchronization software for Windows?

question: santander is a large spanish sea port and administrative center of cantabria region. the legend says the city received its name in honor of the roman legionnaire saint emiterium.
Capitalize this past sentence correctly.
A: Santander is a large Spanish sea port and administrative center of Cantabria region. The legend says the city received its name in honor of the Roman legionnaire Saint Emiterium.