Implement a command-line tool that manages a collection of labeled intervals and answers containment…

Implement a command-line tool that manages a collection of labeled intervals and answers containment…: a task in TermGrade Environments: 1,004 executable Linux tasks (Harbor dataset). Input format (CSV): The first argument is a path to a UTF-8 CSV file with header and these columns exactly…

The task

**Input format (CSV):** The first argument is a path to a UTF-8 CSV file with header and these columns exactly: `id,start,end,label` - `id`: a non-empty string unique within the file - `start`: an integer - `end`: an integer - `label`: a non-empty string

Part of ai-and/termgrade-environments.