Please capitalize where necessary: who are we, what are our challenges, and how do we meet them?
A: Who are we, what are our challenges, and how do we meet them?

Please capitalize where necessary: grapefruit (citrus x paradisi) contains the flavonoid naringenine, which has been shown in laboratory studies of be able to reduce the spread of the hepatitis c virus from infected cells.
A: Grapefruit (Citrus x paradisi) contains the flavonoid naringenine, which has been shown in laboratory studies of be able to reduce the spread of the hepatitis C virus from infected cells.

Please capitalize where necessary: they nodded in agreement and wondered what the problem was. “well”, he continued, “some receipts are being copied by counterfeiters.
A: They nodded in agreement and wondered what the problem was. “Well”, he continued, “some receipts are being copied by counterfeiters.

Please capitalize where necessary: 4 years ago 2:20:42 xhamster japanese wife, japanese
A:
4 years ago 2:20:42 xHamster Japanese wife, Japanese