Please explain why out of instead top? is the out of same as top?

[Thameem]

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #63 "Issues", question 8

We panicked when we got near the house because we could see smoke issuing ......... the top bedroom window.

(a) against
(b) on
(c) out of
(d) into

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #63 "Issues", answer 8

We panicked when we got near the house because we could see smoke issuing out of the top bedroom window.

Correct answer: (c) out of

Your answer was: incorrect
We panicked when we got near the house because we could see smoke issuing on the top bedroom window.
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Please explain why out of instead top? is the out of same as top?

[Alan]

Hi,

'Top' as used in the sentence refers to the highest bedroom window in the house and 'out of' means 'coming from.'

Alan
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English as a Second Language
You can read my ESL story New year resolutions

[Thameem]

I got it now. thanks for the explanation.