In this task, you are given a question and a context passage. You have to answer the question based on the given passage.
Q: What do the ministers without portfolio work with?, Context: The Government of Estonia (Estonian: Vabariigi Valitsus) or the executive branch is formed by the Prime Minister of Estonia, nominated by the president and approved by the parliament. The government exercises executive power pursuant to the Constitution of Estonia and the laws of the Republic of Estonia and consists of twelve ministers, including the Prime Minister. The Prime Minister also has the right to appoint other ministers and assign them a subject to deal with. These are ministers without portfolio — they don't have a ministry to control.
A:
assign them a subject to deal with