Utilize the input text as a context reference, choose the right relationship between 'Interfax' and 'news agency' from the options.
Options: platform, product/material produced, subsidiary, brand

Russian news agency Interfax reported that Aeroflot was planning to acquire Transaero for the symbolic price of one ruble (one US or euro cent), citing a source present at the talks with Shuvalov.
product/material produced