Take context from the input text and decide on the accurate relationship between 'AGCO' and 'Massey Ferguson' from the options provided.
Options: stock exchange, creator, owner of, legal form

This new offering represents a significant update for VarioGuide, available on AGCO’s Fendt ® machines, and for Auto-Guide TM for all other AGCO brands including Challenger ® , Massey Ferguson ® and Valtra ® .
owner of