Include something similar to “without any introduction” in ListOutputConverter

[ullenboom]

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I find that the results improve when I add ", without any introduction." to the prompt.

Example:

List 10 unique unicorn names suitable for IDs with just regular ASCII characters.
{format}

->

[Here are 10 unique unicorn names that can be used as IDs with only regular ASCII characters:

Sparkle, Frosty, Onyxia, Razzle, Celestia, Starlight, Nimbus, Luminar, Aetheria, Zephyrine]

"Here are 10 unique unicorn names that can be used as IDs with only regular ASCII characters" should not an item.

When I modify it to:

List 10 unique unicorn names suitable for IDs with just regular ASCII characters,
without any introduction.

the result is correct (at least with Ollama llama3 and ChatGPT 4)

[Starlight, Sparkles, Mythic, Onyxia, Celestia, Astral, NovaSpire, Lunaria, Solaris, Mirabel]

I believe adding , without any introduction. to the ListOutputConverter could be beneficial.

https://github.com/spring-projects/spring-ai/blob/d7dad6ef6162a057034297222575e13401233492/spring-ai-core/src/main/java/org/springframework/ai/converter/ListOutputConverter.java#L39