Question: They merely express an attitude--a stance, a pattern of behavior or of thought--and their meaning in almost any context is intuitively clear.
It is difficult to determine their meaning in most contexts.

Answer: no

Question: Trained practitioners counseling alcoholics could identify only 50% of acutely intoxicated patients.
Untrained practitioners identified 20% of acutely intoxicated patients.

Answer: it is not possible to tell

Question: Quickest way is down this alley.
Nobody trusts the alley path.

Answer:
it is not possible to tell