# QuestionGeneratorChain

> **Class** in `langchain_classic`

📖 [View in docs](https://reference.langchain.com/python/langchain-classic/chains/flare/base/QuestionGeneratorChain)

Chain that generates questions from uncertain spans.

## Signature

```python
QuestionGeneratorChain()
```

## Extends

- `LLMChain`

## Properties

- `prompt`
- `input_keys`

## Methods

- [`is_lc_serializable()`](https://reference.langchain.com/python/langchain-classic/chains/flare/base/QuestionGeneratorChain/is_lc_serializable)

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[View source on GitHub](https://github.com/langchain-ai/langchain/blob/185119f98e6286253a2326d7cf4f59592678023d/libs/langchain/langchain_classic/chains/flare/base.py#L41)