What is the relationship between 'Valtra' and 'AGCO' in the context of the input sentence.
Options: parent organization, distribution format, owned by, product/material produced

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 ® .
owned by