QUES: Q: Who was the commander of the Moroccan invasion of 1591?
A: The fall of the Songhai Empire marked the end of the region's role as a trading crossroads.
Does the answer answer the question?

ANS: no

QUES: Q: It was found that the Y-chromosome of Ashkenazi and Sephardic Jews contained mutations that are also common with what other people?
A: This suggested that the male ancestors of the Ashkenazi Jews could be traced mostly to the Middle East.
Does the answer answer the question?

ANS: no

QUES: Q: Who has "observer status" to CARICOM?
A: Other nearby nations or territories, such as the United States, are not members (although the US Commonwealth of Puerto Rico has observer status, and the United States Virgin Islands announced in 2007 they would seek ties with CARICOM).
Does the answer answer the question?

ANS: yes

QUES: Q: Who did Victoria credit for her relationship to Albert?
A: Victoria wrote to her uncle Leopold, whom Victoria considered her "best and kindest adviser", to thank him "for the prospect of great happiness you have contributed to give me, in the person of dear Albert ...
Does the answer answer the question?

ANS:
yes