$AQST: Aquestive Therapeutics confirms FDA approval for Exservan Oral Film for the treatment of amyotrophic lateral… https://t.co/PIRPvqJ4s7
### Instruction: What is the sentiment of this news? Please choose an answer from {negative/neutral/positive}
### Input: $AQST: Aquestive Therapeutics confirms FDA approval for Exservan Oral Film for the treatment of amyotrophic lateral… https://t.co/PIRPvqJ4s7
### Response: positive