Analyze the relationship between 'Reliance Communications' and 'Anil Ambani' within the context of the input sentence.
Options: employer, founded by, business division, distributed by

Reliance Communications chairman Anil Ambani on Wednesday said his company will partner with elder brother, Mukesh-controlled Reliance Jio to offer each other's subscribers seamless reciprocal access to three generations of data and voice telephony in the country.
founded by