Premise:
"But here again, it's telling that when he thinks about the long-term sustainability of Sunbeam, he thinks automatically about acquiring other companies."
Hypothesis: He seems to think that the only way to sustain the company is to absorb other companies.

yes

Premise:
"Scottish artists include Allan Ramsey, Sir Henry Raeburn, and Sir David Wilkie."
Hypothesis: Scottish artists like to use watercolor and oil based paints.

it is not possible to tell

Premise:
"The forest is thick with sissoo and tall sal trees; their timber is prized for ship-building."
Hypothesis: Sisoo and sal trees are prized for their timber in ship bulding.
yes