Add punctuation: It was a sad affair in which South who had previously been friendly with Troughton ended up trying to damage his reputation
A: It was a sad affair in which South, who had previously been friendly with Troughton, ended up trying to damage his reputation.

Add punctuation: Cheer Up I succeeded to cure my yeast infection the easiest way ever in less than 8 weeks Discover my killer mistakes for FREE at Yeast infection home remedy
A: Cheer Up. I succeeded to cure my yeast infection the easiest way ever in less than 8 weeks. Discover my killer mistakes for FREE at: Yeast infection home remedy

Add punctuation: Masyanya Africa is fully online Masyanya games online Masyanya play online free games Masyanya under the yellow press Masyanya games to play for free
A:
Masyanya Africa is fully online, Masyanya games online. Masyanya play online free, games Masyanya under the yellow press. Masyanya games to play for free