Premise:
"His was an attitude that probably determined not only their general ethics, but also their occupational destiny as highly sophisticated businessmen."
Hypothesis: He was a highly sophisticated businessman.

it is not possible to tell

Premise:
"So do the bronze-workers, who cast figurines by the ancient lost wax method."
Hypothesis: The lost wax method had largely been replaced by modern sculpting methods.

it is not possible to tell

Premise:
"we're really on to that that the masking is you have to do that very very carefully"
Hypothesis: You don't have to be very careful when you are doing the masking.
no