Trade mark vs. brand

[Rich7]

Test No. errors/inter-6 "The worse it will be", question 6

I can see from all those teapots that you must like drinking tea. What is the name of the mark you use?

(a) from
(b) must
(c) drinking
(d) mark

Test No. errors/inter-6 "The worse it will be", answer 6

I can see from all those teapots that you must like drinking tea. What is the name of the brand you use?

Correct entry: brand
The error was: (d) mark

You have found the error but your entry is incorrect.
I can see from all those teapots that you must like drinking tea. What is the name of the trade mark you use?
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not trade mark? what's the difference?

[Alan]

Trade mark would have to be named. Brand is the word here meaning type.
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English as a Second Language
You can read my ESL story A Rhapsody of Words