I tried asking Gemini to summarize a non-existent poem, and it said it would need the actual source of the poem to summarize it (but provided four potential the

I tried asking Gemini to summarize a non-existent poem, and it said it would need the actual source of the poem to summarize it (but provided four potential themes based on the title). I then suggested that it was a standard English course text and it apologetically said that it couldn't find any record of it, but perhaps I was thinking of this other poem? It is perhaps too helpful at coming up with a workable solution to my request, but it did seem to know when it didn't know. Although perhaps that isn't the LLM but some additional information from a search query being fed into the LLM.