Take context from the input text and decide on the accurate relationship between 'Airbus Group' and 'MBDA' from the options provided.
Options: member of, owner of, distributed by, currency

Fri, Jul 31, 2015, 12:23 BST - UK Markets close in 4 hrs 7 mins Airbus Group interested in boosting MBDA stake Reuters - UK Focus – 18 minutes ago 64.92 +2.51
owner of