United Airlines (UAL) reaches an agreement in principle with its pilots' union on better pay and other improvements amid labor tensions among other major U.S. airlines.
### Instruction: What is the sentiment of this news? Please choose an answer from {negative/neutral/positive}
### Input: United Airlines (UAL) reaches an agreement in principle with its pilots' union on better pay and other improvements amid labor tensions among other major U.S. airlines.
### Response: moderately positive