Is the Pope Catholic? Yes, the Pope is Catholic. Generative Evaluation of Non-Literal Intent Resolution in LLMs
Akhila Yerukola, Saujas Vaduguru, Daniel Fried, Maarten Sap

TL;DR
This paper introduces a generative evaluation method for assessing large language models' ability to understand non-literal, pragmatic intentions in communication, revealing current limitations and potential improvements.
Contribution
It proposes a new generative approach to evaluate LLMs' understanding of non-literal language and demonstrates their struggles in pragmatic intention comprehension.
Findings
LLMs achieve 50-55% accuracy on non-literal intent responses.
Providing explicit intentions improves performance to around 75%.
Chain-of-thought prompts increase accuracy modestly to 60%.
Abstract
Humans often express their communicative intents indirectly or non-literally, which requires their interlocutors -- human or AI -- to understand beyond the literal meaning of words. While most existing work has focused on discriminative evaluations, we present a new approach to generatively evaluate large language models' (LLMs') intention understanding by examining their responses to non-literal utterances. Ideally, an LLM should respond in line with the true intention of a non-literal utterance, not its literal interpretation. Our findings show that LLMs struggle to generate pragmatically relevant responses to non-literal language, achieving only 50-55% accuracy on average. While explicitly providing oracle intentions significantly improves performance (e.g., 75% for Mistral-Instruct), this still indicates challenges in leveraging given intentions to produce appropriate responses.…
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Taxonomy
TopicsTaxation and Legal Issues · Theology and Canon Law Studies
