Does the sentence "Since the fall of Hosni Mubarak in 2011, Egypt has experienced a drastic fall in both foreign investment and tourism revenues, followed by a 60% drop in foreign exchange reserves, a 3% drop in growth, and a rapid devaluation of the Egyptian pound." provide a valid answer to the question "How much had FDI increased to in 2006?"

A: no

Does the sentence "One of the early anthemic tunes, "Promised Land" by Joe Smooth, was covered and charted within a week by the Style Council." provide a valid answer to the question "who released the hit single "promised land"?"

A: yes

Does the sentence "John Dewey (18591952) modified James' pragmatism to form a theory known as instrumentalism." provide a valid answer to the question "What was instrumentalism a modification of?"

A: yes

Does the sentence "They were made between 965 and 970 by local craftsmen, supervised by a master mosaicist from Constantinople, who was sent by the Byzantine Emperor to the Umayyad Caliph of Spain." provide a valid answer to the question "When were the mosaics in the Great Mosque in Corduba created?"

A:
yes