Utilize the input text as a context reference, choose the right relationship between 'Exxon' and 'diesel' from the options.
Options: owned by, stock exchange, product/material produced, original broadcaster

Europe's most advanced plants such as Exxon Mobil's 320,000 bpd Antwerp refinery, which is planned for a $1 billion upgrade to boost its diesel yield and Royal Dutch Shell (Xetra: R6C1.DE - news ) 's 404,000 bpd Pernis refinery, stand to benefit less from higher gasoline demand.
product/material produced