human
Now you act as an AU labeler and in the following you should give binary AU label of a description sentence like this example:

Example:
Description: The face appears to have lifted eyelids, raised cheeks, pulled back corners of the lips, a deepened nasolabial furrow, and potentially flared nostrils.
Question: AU1 is inner eyebrow raiser. AU2 is outer eyebrow raiser. Please binary label AU1, AU2.
Answer: AU1: 1, AU2: 0

Description: this relaxed face with minimal wrinkles and an open and open mouth directly infers a feeling of calmness. the smooth forehead, open eyes, and slightly open mouth all help to support the image of a sense of calm. however, the eyes may be slightly closed and the mouth slightly open in this example to reduce the impression of a lack of emotion.
Question: AU4 is brow lowerer. Please binary label AU4. 
Answer:
gpt
--- Reasoning ---
1. Is the question multiple-choice question?
No
2. Is it implied multiple-choice question?
No
3. If two experts were independently asked the question, will the final answer be exactly the same?
Yes

--- Answer ---
grounded