Assertion: ankylosing spondylitis's symptom | /r/HasProperty | early morning stiffness
Facets:
Source sentences:
text: Other symptoms may include: early morning stiffness
text: Symptoms of AS include back pain, early morning stiffness, and a stooped posture.
text: Symptoms of AS include back pain, early morning stiffness, and a stooped posture.
text: Symptoms of AS include back pain, early morning stiffness, and a stooped posture.
text: Symptoms of AS include back pain, early morning stiffness, and a stooped posture.
text: Symptoms of AS include back pain, early morning stiffness, and a stooped posture.