Analyze the relationship between 'Porsche 911' and 'Porsche' within the context of the input sentence.
Options: brand, owned by, product/material produced, distributed by

Volkswagen-owned Porsche is building a new engine plant and body shop at its core factory in Zuffenhausen, in southern Germany, which will take over production of the Cayman series from VW in 2016, adding to assembly of Porsche 911 and Boxster models.
brand