text: Oil prices eased slightly on Thursday following a rally in the previous session, as investors eyed a surprise increase in U.S. crude oil inventories and looked to a possible rise in output when OPEC and other producers meet in June.
words: Oil prices eased slightly on Thursday following a rally in the previous session as investors eyed a surprise increase in U.S. crude oil inventories and looked to a possible rise in output when OPEC and other producers meet in June