What is the relationship between 'TSYS' and 'Global Payments' in the context of the input sentence.
Options: creator, director/manager, founded by, subsidiary

And the thing that I'm struck by every time I get on a call with one of our product teams, with the business is the level of collaboration and how quickly the TSYS and Global Payments teams have come together and how effective we've been in introducing new product and new capability in a very short period of time.
subsidiary