Please capitalize where necessary: working with us - sign up at amsterdam instant booking
A: Working with us - Sign up at Amsterdam Instant Booking

Please capitalize where necessary: carry baggage from the left bank to right bank and return.
A: Carry baggage from the left bank to right bank and return.

Please capitalize where necessary: the fastest and easiest way to open your dwp file is to double-click it.
A: The fastest and easiest way to open your DWP file is to double-click it.

Please capitalize where necessary: superhero theme has always been very popular, evidenced by hundreds of movies and cartoons, taken around the world.
A:
Superhero theme has always been very popular, evidenced by hundreds of movies and cartoons, taken around the world.