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.

Input: Consider Input: Assuming that "largest" refers to the greatest population, the 4th largest city in the U.S. is Houston Texas.

Output: What is the 4th largest city in the U.S.?


Input: Consider Input: The main products still are carbon dioxide and water, together with carbon monoxide and various substances collectively referred to as soot. Soot basically is the attempt to form graphitic carbon in the flame finished before a sufficient quantity has formed to create crystals. Substances in soot usually are polycyclical aromatic compounds, or heterocyclical compounds like furanes.\n\nIn the case of impure fuels, additional side products can be found. Presence of halogens leads to formation of dioxines and similar compounds. Presence of sulfur leads to all kind of noxious substances. Etc.\n\nIncomplete combustion doesn't provide well-defined reactions.

Output: what are the main products of the incomplete combustion of fossil fuels?


Input: Consider Input: www.wellsfargo.com\nsign up\nlogin\nclick account balance or activity


Output: How do I access my account  balance/activity with Wells Fargo?


