Does the sentence "While the Alps occupy the greater part of the territory, the Swiss population of approximately 8 million people is concentrated mostly on the Plateau, where the largest cities are to be found: among them are the two global and economic centres, Zurich and Geneva." provide a valid answer to the question "How many cantons are in Switzerland's federal directorial republic?"

A: no

Does the sentence "New Haven lies at the intersection of Interstate 95 on the coastwhich provides access southwards and/or westwards to the western coast of Connecticut and to New York City, and eastwards to the eastern Connecticut shoreline, Rhode Island, and eastern Massachusettsand Interstate 91, which leads northward to the interior of Massachusetts and Vermont and the Canadian border." provide a valid answer to the question "Which New Haven interstate is less congested throughout times designated as peak travel?"

A: no

Does the sentence "The almost constant wars among the Sumerian city-states for 2000 years helped to develop the military technology and techniques of Sumer to a high level." provide a valid answer to the question "What contributed to developing military technology for Sumer?"

A: yes

Does the sentence "In contrast, the Minority Leader is the undisputed leader of the minority party." provide a valid answer to the question "Who is the leader of the minority party in the House?"

A:
yes