Presidents Jean-Claude Juncker of EC, Doland Tusk of the European Council, Jeroen Dijsselbloem of the Eurogroup and Mario Draghi of the ECB took part in the meeting, Efe news agency reported.
Take context from the input text and decide on the accurate relationship between 'Eurogroup' and 'Jean-Claude Juncker' from the options provided.
Options: chairperson, stock exchange, headquarters location, product/material produced