Please capitalize where necessary: daughter of christen johansen and karen nielsdatter
A: Daughter of Christen Johansen and Karen Nielsdatter

Please capitalize where necessary: electronic lists containing citizens’ information at voting booths or smartphone apps for enrolled voters might already be in place if the australian electoral commission had the cash, a house of representatives committee has heard.
A: Electronic lists containing citizens’ information at voting booths or smartphone apps for enrolled voters might already be in place if the Australian Electoral Commission had the cash, a House of Representatives committee has heard.

Please capitalize where necessary: one of our concepts is named ‘water furniture’, interactive water elements and lights designed to bring new life into urban water areas, like docks, riversides and canals.
A: One of our concepts is named ‘Water Furniture’, interactive water elements and lights designed to bring new life into urban water areas, like docks, riversides and canals.

Please capitalize where necessary: because of an in vitro study, dha is suspected of being a genotoxic substance with mutagenic properties.
A:
Because of an in vitro study, DHA is suspected of being a genotoxic substance with mutagenic properties.