Teacher:You are given a passage. You need to construct a question about the information present in the passage. Construct a question in such a way that (i) it is unambiguous, (ii) its answer is the whole paragraph. Avoid creating questions that can be answered correctly without actually understanding the paragraph.
Teacher: Now, understand the problem? Solve this instance: World Rulers: Heads of State and Prime Ministers -
On this pages you will find all Heads of State and Chiefs of Government of the countries of the world
http://www.info-regenten.de/regent/regent-e/

This site contains lists of heads of state and heads of government (and, in certain cases, de facto leaders not occupying either of those formal positions) of all countries and territories, going back to about 1700 in most cases
http://rulers.org/
Student:
names of present presidents in the different countries all over the world?