Anchor: There could be many influences on what is happening and these influences could interact in nonlinear ways such that a unit of change in the input can be associated with quite different changes in the output, sometimes increasing it, sometimes decreasing it, and sometimes having no discernible effect.
Entailed: Some influences could have a nonlinear effect.
Contradiction: There are definitely no influences that will cause a nonlinear effect.
Contradiction: They did not wear a helmet while performing the trick.
Contradiction: Productivity has been improved at the same time field offices were closed.
Contradiction: It is noon.
Contradiction: A person catches some air and sprays up some snow.