Task: Question Answering
Input (English): Context: Sweet girl was so happy to see us ! She looks a little , pieced together , right now ( poor tummy shaved for the ultrasound ! ) , but she 's as happy as can be . We 're trying to make do without the cone collar , and instead are trying a tee - shirt to keep her from messing with her stitches . 
Question: What may be the reason she was happy to see them ?
Output (English): She was alone for the surgery and was happy to see a friendly face .