Question: uh back to the topic
We were on a tangent.

Answer: it is not possible to tell

Question: yeah spelled as you would expect
It is always spelled the same way.

Answer: it is not possible to tell

Question: Start by looking at the range of goods in the department stores and hundreds of specialty shops in the underground shopping centers before going off to find better prices at discount shops.
The discount shops often have better prices than the department stores.

Answer:
it is not possible to tell