question: and in order to thank all the uses' support and also as a return, dll suite introduced this free download service to help millions of pc users suffering from dll errors like cmdkey.exe.
Capitalize this past sentence correctly.
A: And in order to thank all the uses' support and also as a return, DLL Suite introduced this Free Download Service to help millions of PC users suffering from DLL errors like cmdkey.exe.

question: for instance, an "accessible public transportation technology" is not only composed of a fleet of accessible vehicles (e.g. buses with elevating platform), but encompasses the whole transport system including traffic control, bus-stop location, information and ticketing procedures, customer service, personnel training, etc.
Capitalize this past sentence correctly.
A: For instance, an "accessible public transportation technology" is not only composed of a fleet of accessible vehicles (e.g. buses with elevating platform), but encompasses the whole transport system including traffic control, bus-stop location, information and ticketing procedures, customer service, personnel training, etc.

question: in 1912, the last emperor puyi abdicated.
Capitalize this past sentence correctly.
A: In 1912, the last Emperor Puyi abdicated.