Here are some common applications of NLP:

1. **Search Engines**: NLP improves the efficiency of search engines. Semantic search has been employed to understand the intent behind a user's search query, providing more accurate results.

2. **Machine Translation**: NLP is essential in applications which automatically translates text from one language to another. 

3. **Speech Recognition**: Speech recognition systems use NLP to respond to voice commands. 

4. **Sentiment Analysis**: Businesses often use NLP to determine customer sentiments towards their products or services. This is often done by analyzing text in social media posts, reviews, and comments.

5. **Chatbots and Virtual Assistants**: NLP is a crucial component of the operation of automated assistants and chatbots, enabling them to understand and respond to user queries.

6. **Information Extraction**: This involves automatically extracting structured information from unstructured documents, such as web pages, articles, blogs, etc. 

7. **Content Recommendation**: NLP is used in recommendation systems to suggest relevant content to users, based on their behavior, history, and preferences.

8. **Spell Checking and Grammar Correction**: Applications like Grammarly use NLP to detect and correct grammatical errors in text.

9. **Automated Resume Screening**: Many HR software solutions use NLP to automatically parse and interpret resumes, making the hiring process more efficient.

10. **Text Summarization**: NLP can be used to automatically generate summaries of long documents, aiding in quick content review.

11. **Healthcare**: In healthcare, NLP is used for various purposes, from automating administrative tasks to analyzing patient data and records for better diagnosis and treatment suggestions.
spam fails_task lang_mismatch pii not_appropriate hate_speech sexual_content quality toxicity humor helpfulness creativity violence