Question:
In 1868 the Satsuma and Choshu clans, never a real threat to Tokugawa authority as long as they remained rivals, joined forces to overthrow the shogun and restore the authority of the emperor, the 14-year-old Mitsuhito.

Does it follow that "Satsuma and Choshu clans joined forces in 1868."?
Answer:
yes

Question:
One element of data collection that distinguishes case studies from other techniques is that comprehensiveness of interviewing is very important.

Does it follow that "Data collection is perhaps the most important phase of research."?
Answer:
it is not possible to tell

Question:
and um they don't have any of that up here but you know um i guess it's just the productivity and the the number of uh uh sick days i guess and that they uh that they accrue

Does it follow that "The company had a great sick day policy and employees were happy to work there."?
Answer:
it is not possible to tell

Question:
Mail on all other city routes is delivered six days a week.

Does it follow that "Mail is delivered in the city every week. "?
Answer:
yes