Utilize the input text as a context reference, choose the right relationship between 'Tata Steel' and 'steel' from the options.
Options: director/manager, location of formation, legal form, product/material produced

Shares of Tata Steel fell unaffected by the steel producer's ability to now feed its Jamshedpur plant with ore mined at captive Noamundi mines in Jharkhand.
product/material produced