Assertion: brittle star's arm | /r/HasAspect | only two degrees of freedom
Facets:
Source sentences:
text: Each arm has only two degrees of freedom, i.e., yaw and pitch joints.
text: Each arm of the robot had two degrees of freedom, i.e. yaw and pitch joints.
text: Because the trimmed-arm subjects had only a few degrees of freedom in each arm, each arm has only two degrees of freedom, i.e. yaw and pitch joints.