Please capitalize where necessary: smoking constricts the pulmonary arteries, while cannabis dilates them.
A: Smoking constricts the pulmonary arteries, while cannabis dilates them.
Q: in connection with the exhibition overgaden collaborates with crossfit copenhagen on a series of events focusing on crossfit as a healthy and collective form of physical training.

A: In connection with the exhibition Overgaden collaborates with CrossFit Copenhagen on a series of events focusing on crossfit as a healthy and collective form of physical training.
Q: the apartment has a double bed, a sitting area, a bathroom with shower and kitchen.
A: The apartment has a double bed, a sitting area, a bathroom with shower and kitchen.
Problem: hi, my name is angie and i am 18 years.
Can you repeat this sentence, but capitalize it?
Answer: Hi, my name is Angie and I am 18 years.
Text: usa mega millions lottery numbers - tuesday 12 july 2016

Correct capitalization: USA Mega Millions lottery numbers - Tuesday 12 July 2016
Please capitalize where necessary: finally, decorate using feathers.
A:
Finally, decorate using feathers.