Task: Question Answering
Input (English): Context: Today I ' m grateful for a wonderful woman that works in our accounting department named Pricilla . I met Pricilla years ago when she used to come around and talk to another coworker ; whenever I would walk by she would say hello . She was always sweet and gave off good vibes so I kinda liked her . 
Question: Why do they feel grateful towards their coworker ?
Output (English): Because she is friendly and warm .