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 ® .
In the context of the input sentence, determine the relationship between 'AGCO' and 'Valtra'.
Options: chief executive officer, original broadcaster, owner of, operator