I need sample sentences of subordinating conjunction of whenever

[Whenever]

English Language Tests, Intermediate level

ESL/EFL Test #171 "Common subordinating conjunctions", question 9

The concert will end at 10.30 p.m. ......... the audience insists on several encores.

(a) while
(b) unless
(c) though
(d) as

English Language Tests, Intermediate level

ESL/EFL Test #171 "Common subordinating conjunctions", answer 9

The concert will end at 10.30 p.m. unless the audience insists on several encores.

Correct answer: (b) unless
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i need a example sentence of subordinating conjunction of whenever

[Mister Micawber]

I answer questions here whenever I can.
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Native English teacher at Mister Micawber's

[Aiken]

Dear teachers,

Can you please explain that why the option "though" is not suitable here?

Thanks in advance.

Aiken
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Man proposes; God disposes

[Mister Micawber]

'Though' would suggest that the encores were not permitted.
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Native English teacher at Mister Micawber's