Premise: It's that their myriad, dubious, and overlapping roles keep piling up without ever being properly explained.

Hypothesis: These mysterious roles keep popping up in order to keep their actual work confidential.
Answer: it is not possible to tell

Premise: Ought to be drawn and quartered, like in good old times."

Hypothesis: Should be drawn and quartered, then hung up for the village to see, like back in the good ol' days.
Answer: it is not possible to tell

Premise: i always like the musicals and uh those ones uh those stick in your head

Hypothesis: The musicals stick in your head because the songs are always so catchy.
Answer: it is not possible to tell

Premise: Case studies also provide the flexibility to pursue particularly rich avenues of inquiry as they develop during interviews.

Hypothesis: Case studies make things flexible because they are more able to adjust as the population changes.
Answer: it is not possible to tell