Which of the following is an example of a brand halo conversion?

A customer clicks on a vendor’s sponsored ad for tennis shoes and then purchases those shoes.
A customer clicks on a vendor’s sponsored ad for tennis shoes, and then purchases dress shoes from that vendor.
A customer clicks on a vendor’s sponsored ad for tennis shoes but does not make a purchase.
A customer clicks on a vendor’s sponsored ad for tennis shoes, and then purchases tennis shoes from a different vendor.

The correct answer is:

A customer clicks on a vendor’s sponsored ad for tennis shoes, and then purchases dress shoes from that vendor.