question: for example, we use a large group of musicians and music lovers to test our speakers.
Capitalize this past sentence correctly.
A: For example, we use a large group of musicians and music lovers to test our speakers.

question: dolce & gabbana light blue pour homme discover vulcano is a masculine fragrance inspire...
Capitalize this past sentence correctly.
A: Dolce & Gabbana Light Blue Pour Homme Discover Vulcano is a masculine fragrance inspire...

question: this chapter contains valuable information on the child's basic needs and the relationship with his parents.
Capitalize this past sentence correctly.
A: This chapter contains valuable information on the child's basic needs and the relationship with his parents.