BengaliFig: A Low-Resource Challenge for Figurative and Culturally Grounded Reasoning in Bengali

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Main Author: Sefat, Abdullah Al
Format: Preprint
Published: 2025
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author Sefat, Abdullah Al
author_facet Sefat, Abdullah Al
contents Large language models excel on broad multilingual benchmarks but remain to be evaluated extensively in figurative and culturally grounded reasoning, especially in low-resource contexts. We present BengaliFig, a compact yet richly annotated challenge set that targets this gap in Bengali, a widely spoken low-resourced language. The dataset contains 435 unique riddles drawn from Bengali oral and literary traditions. Each item is annotated along five orthogonal dimensions capturing reasoning type, trap type, cultural depth, answer category, and difficulty, and is automatically converted to multiple-choice format through a constraint-aware, AI-assisted pipeline. We evaluate eight frontier LLMs from major providers under zero-shot and few-shot chain-of-thought prompting, revealing consistent weaknesses in metaphorical and culturally specific reasoning. BengaliFig thus contributes both a diagnostic probe for evaluating LLM robustness in low-resource cultural contexts and a step toward inclusive and heritage-aware NLP evaluation.
format Preprint
id arxiv_https___arxiv_org_abs_2511_20399
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle BengaliFig: A Low-Resource Challenge for Figurative and Culturally Grounded Reasoning in Bengali
Sefat, Abdullah Al
Computation and Language
Artificial Intelligence
Large language models excel on broad multilingual benchmarks but remain to be evaluated extensively in figurative and culturally grounded reasoning, especially in low-resource contexts. We present BengaliFig, a compact yet richly annotated challenge set that targets this gap in Bengali, a widely spoken low-resourced language. The dataset contains 435 unique riddles drawn from Bengali oral and literary traditions. Each item is annotated along five orthogonal dimensions capturing reasoning type, trap type, cultural depth, answer category, and difficulty, and is automatically converted to multiple-choice format through a constraint-aware, AI-assisted pipeline. We evaluate eight frontier LLMs from major providers under zero-shot and few-shot chain-of-thought prompting, revealing consistent weaknesses in metaphorical and culturally specific reasoning. BengaliFig thus contributes both a diagnostic probe for evaluating LLM robustness in low-resource cultural contexts and a step toward inclusive and heritage-aware NLP evaluation.
title BengaliFig: A Low-Resource Challenge for Figurative and Culturally Grounded Reasoning in Bengali
topic Computation and Language
Artificial Intelligence
url https://arxiv.org/abs/2511.20399