In the context of the input sentence, determine the relationship between 'Patriot Coal' and 'Coal'.
Options: creator, chairperson, distributed by, product/material produced

Fri, Sep 11, 2015, 3:17 AM AEST - Australia Markets open in 6 hrs 43 mins 2 states' regulators oppose Patriot Coal reorganization plan Ohio, Pennsylvania regulators oppose Patriot Coal reorganization plan, cite pollution issues By Pam Ramsey, Associated Press | Associated Press – 44 minutes ago Recommend Print
product/material produced