Does the sentence "Later interpretations of Avicenna's philosophy split into three different schools; those (such as al-Tusi) who continued to apply his philosophy as a system to interpret later political events and scientific advances; those (such as al-Razi) who considered Avicenna's theological works in isolation from his wider philosophical concerns; and those (such as al-Ghazali) who selectively used parts of his philosophy to support their own attempts to gain greater spiritual insights through a variety of mystical means." provide a valid answer to the question "Interpretations of Avicenna's work split into how many different schools?"

A: yes

Does the sentence "In the 20th century, Tennessee transitioned from an agrarian economy to a more diversified economy, aided by massive federal investment in the Tennessee Valley Authority and, in the early 1940s, the city of Oak Ridge." provide a valid answer to the question "What made Tennessee politics more competitive again in the middle of the 20th century?"

A: no

Does the sentence "They often sponsored activities that combined work, food and entertainment such as barn raisings, corn huskings, quilting bees, Grange meetings, church activities and school functions." provide a valid answer to the question "who usually organized shared meals and potluck events?"

A: no

Does the sentence "The end of a treaty, the eschatocol (or closing protocol), is often signaled by a clause like "in witness whereof" or "in faith whereof," the parties have affixed their signatures, followed by the words "DONE at," then the site(s) of the treaty's execution and the date(s) of its execution." provide a valid answer to the question "What typically follows the signatures in a treaty?"

A:
yes