Please capitalize where necessary: german, old and young (18+)
A: German, old and young (18+)

Please capitalize where necessary: ken has a date with barbie and will go into a club and rapp knows how to dress...
A: Ken has a date with Barbie and will go into a club and Rapp knows how to dress...

Please capitalize where necessary: so grab the smallest dose of melatonin you can find (usually 3mg), and for a moment, pretend you're a trust fund brat, wall street bro, or gold digger socialite then crush the pill on the counter and take 1/10 of the 3mg of powder. i usually just mix the powder with a glass of water and down it.
A: So grab the smallest dose of melatonin you can find (usually 3mg), and for a moment, pretend you're a trust fund brat, wall street bro, or gold digger socialite Then crush the pill on the counter and take 1/10 of the 3mg of powder. I usually just mix the powder with a glass of water and down it.

Please capitalize where necessary: back in germany he returned to the ruhr university at bochum where, supervised by zehnder, he undertook research on v i arnol'd's fixed-point conjecture for symplectic maps.
A:
Back in Germany he returned to the Ruhr University at Bochum where, supervised by Zehnder, he undertook research on V I Arnol'd's fixed-point conjecture for symplectic maps.