Please capitalize where necessary: on the upside, a faster return of confidence could lead to an earlier and less subdued recovery.
A: On the upside, a faster return of confidence could lead to an earlier and less subdued recovery.
Q: we are to spend money, but with discretion and control.

A: We are to spend money, but with discretion and control.
Q: both themed and “free” sessions are available.
A: Both themed and “free” sessions are available.
Problem: the nickname "tiny" kjeldbæk was awarded with the usual english sense of humor, because he was a big man who hardly fit into the cockpit of a spitfire.
Can you repeat this sentence, but capitalize it?
Answer: The nickname "Tiny" Kjeldbæk was awarded with the usual English sense of humor, because he was a big man who hardly fit into the cockpit of a Spitfire.
Text: ask me how such things can happen – today is also still “open” and the supply should last for two days!?

Correct capitalization: Ask me how such things can happen – Today is also still “open” and the supply should last for two days!?
Q: for a different tour of the city, start at the parque de la montaña, where the authentic egyptian temple of debod is found, and head towards the royal palace, passing by the plaza de españa and reaching the plaza de oriente.
A:
For a different tour of the city, start at the Parque de la Montaña, where the authentic Egyptian temple of Debod is found, and head towards the Royal Palace, passing by the Plaza de España and reaching the Plaza de Oriente.