Premise:
"Many owners originally identified the project definition activity as a core competency."
Hypothesis: Many owners identified project definition activity as main competency

yes

Premise:
"What they are not, however, is that is, an anecdote doesn't tell whether it is the only such instance or whether the problem is wide-spread."
Hypothesis: The anecdote doesn't mention if the problem is wide spread.

yes

Premise:
"The Kal stood a head taller than Adrin, thicker, and clearly stronger."
Hypothesis: The Kal was taller and stronger.
yes