Take context from the input text and decide on the accurate relationship between 'Visa Inc' and 'Visa Europe' from the options provided.
Options: brand, headquarters location, subsidiary, publisher

News (Other OTC: NWSAL - news ) of the likely terms of a deal comes just weeks after Visa Inc confirmed that it was in discussions with Visa Europe about a combination of their businesses, saying that it hoped to agree a transaction by the end of October.
subsidiary