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> If you show a picture to a three-year-old and ask if there is a tree in it, you will likely get the correct answer. If you ask a thirty-year-old what the definition of a tree is, you will likely get an **inconclusive answer**.
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Longman says:

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> not leading to a clear decision or result OPP conclusive :  
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>  The evidence against the two men was inconclusive. 
>  A coalition government was formed after inconclusive elections. 
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What could be the answer of the child to be an inconclusive answer. I mean what is the meaning of inconclusive answer in this context? does it mean unclear and ambiguous? because I don't think that we want to get a decision over the answer of the child!

I also request for an example.