Answer:
When the author says "was not motivated by literary ambition", the author means that they did not have anything to write about something that happened. Basically they didn't have much to go off of.
The grocer didn't notice the thieves enter until it was too late.
If you were playing the piano how did the vase get broken.
The police force still had no idea how they were going to enter the strange cottage without being seen.
I personally think that’s only something that you can write.
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