<bos><start_of_turn>system
You are a helpful AI assistant.
lista de codigos linguisticos disponibles: ["en", "en"].<end_of_turn>
<start_of_turn>user
What challenges arise in handling out-of-vocabulary words in NLP systems?<end_of_turn>
<start_of_turn>model
Out-of-vocabulary words pose challenges as they are not present in the training data. Techniques like subword tokenization and character-level embeddings help address this issue.<end_of_turn><eos>