Does the sentence "This method is most useful for extremely large projects as it gives the maker time to rework areas, allows the cementing of the tiles to the backing panel to be carried out quickly in one operation and helps ensure that the front surfaces of the mosaic tiles and mosaic pieces are flat and in the same plane on the front, even when using tiles and pieces of differing thicknesses." provide a valid answer to the question "What is the style called of putting tessere on a backing paper?"

A: no

Does the sentence "BSNL, Reliance Infocomm, Tata Indicom, Tata Docomo, Aircel, Vodafone, Idea Cellular and Airtel are available cellular phone operators." provide a valid answer to the question "Who are the cellular phone operators available?"

A: yes

Does the sentence "Historically, there has been much dispute over whether such a thing as a vacuum can exist." provide a valid answer to the question "What was historically disputed about vacuums?"

A: yes

Does the sentence "Broad Street Station (or Union Station), designed in the Beaux-Arts style, is no longer a functioning station but is now home to the Science Museum of Virginia." provide a valid answer to the question "What is another name for Broad Street Station?"

A:
yes