How to dynamically update Text from Textarea?

**Is your feature request related to a problem? Please describe.**
I want to organize UI that includes Speaker Segmentation, Speaker Diarization, Transcription, Slot Tagging, Intent Classification. I succeeded to make Speaker Segmentation, Speaker Diarization and Transcription. But I cannot make the Slot Tagging from Transcription that user types. How to make text that can be labeled from text that from textarea?

**Describe the solution you'd like**
Textarea that can be annotated by selection, similar to Paragraph or Text tags.

**Describe alternatives you've considered**
A clear and concise description of any alternative solutions or features you've considered.

**Additional context**
Add any other context or screenshots about the feature request here.