QUES:
Who is they in the following sentence?

HP sold a new LED monitor for a heavily discounted price to consumers, so they ended up buying mass amounts of monitors.

ANS:
consumers

QUES:
Who is they in the following sentence?

Walmart is enforcing strict guidelines for customers this Black Friday because they do not want a recap of the disaster that occurred the previous year.

ANS:
Walmart

QUES:
Who is they in the following sentence?

The Disney characters at Disney World entertain the audience because they are there to keep people happy.

ANS:
The Disney characters