Please capitalize where necessary: play the role of a space cowboy and navigate the distant planet
A: Play the role of a space cowboy and navigate the distant planet

Q: your customers will like you more, so there's a better chance they'll stay with you for longer.

A: Your customers will like you more, so there's a better chance they'll stay with you for longer.

Q: "to me, design always begins with the material.
A: "To me, design always begins with the material.

Problem: dha does not colour other surfaces than the stratum corneum, i.e. not the mucous membranes.
Can you repeat this sentence, but capitalize it?
Answer: DHA does not colour other surfaces than the stratum corneum, i.e. not the mucous membranes.

Text: he was involved in school reforms and chaired a commission whose remit was to devise a new syllabus for school level mathematics.

Correct capitalization: He was involved in school reforms and chaired a commission whose remit was to devise a new syllabus for school level mathematics.

Text: playing online virtual pet game game . this is kids game . nearby the game, there are similar kid games . enjoy with free virtual pet game game

Correct capitalization:
Playing online Virtual pet game game . This is Kids game . Nearby the game, there are similar Kid games . Enjoy with free Virtual pet game game