Does the sentence "Wings represent the grouping of various squadrons, both operational and support, under a single tactical commander reporting to the operational commander and vary in size from several hundred personnel to several thousand." provide a valid answer to the question "Who reports to the operational commander about the wings?" OPTIONS:
- yes
- no

A: yes

Does the sentence "It was West Saxon that formed the basis for the literary standard of the later Old English period, although the dominant forms of Middle and Modern English would develop mainly from Mercian." provide a valid answer to the question "In what century did Scandinavian settlement begin in northern England?" OPTIONS:
- yes
- no

A: no

Does the sentence "This binding then sets off a chain of events that can be visibly obvious in various ways, dependent upon the test." provide a valid answer to the question "What does the binding set off that will result in something visibly obvious in various ways?" OPTIONS:
- yes
- no

A: yes

Does the sentence "In their attempt to ensure white supremacy decades after emancipation, in the early 20th century, most southern states created laws based on the one-drop rule, defining as black, persons with any known African ancestry." provide a valid answer to the question "What was the rule used in law in the 1900s called?" OPTIONS:
- yes
- no

A:
yes