"Both of our premium services include a variety of options."
Here's why:
* "A variety" is a singular noun phrase, so you need the singular form of the verb "include".
* "Options" should be plural since you are referring to multiple options.
"Both of our premium services include a variety of options."
Here's why:
* "A variety" is a singular noun phrase, so you need the singular form of the verb "include".
* "Options" should be plural since you are referring to multiple options.