Take context from the input text and decide on the accurate relationship between 'NBCUniversal' and 'Comcast' from the options provided.
Options: owner of, developer, owned by, founded by

While none of us has a perfect crystal ball and we don't know the path this virus might take, I could really not be prouder of how our teams across Comcast Cable, NBCUniversal and Sky are together managing our business.
owned by