Does the sentence "It is not well understood how the early Ottomans came to dominate their neighbours, as the history of medieval Anatolia is still little known." provide a valid answer to the question "When did the Turkish Seljuk Sultanate of Rum reach its demise?"

A: no

Does the sentence "The Emperor Diocletian (r. 284305) split the empire into separately administered eastern and western halves in 286; the empire was not considered divided by its inhabitants or rulers, as legal and administrative promulgations in one division were considered valid in the other.[C]" provide a valid answer to the question "In what year did Diocletian begin his reign?"

A: yes

Does the sentence "Psychologists Carl Rogers and Abraham Maslow introduced a positive, humanistic psychology in response to what they viewed as the overly pessimistic view of psychoanalysis in the early 1960s." provide a valid answer to the question "In what century did humanistic phycology rise in prominence?"

A: no

Does the sentence "In Catalonia the common perception is that the colours were chosen by Joan Gamper and are those of his home team, FC Basel." provide a valid answer to the question "From what source do Catalons think the red/blue colors originated?"

A:
yes