She concurred with Hungerford's observation that intervention effects seem to wear off after a period of time.
Intervention seems to wear off according to Hungerford's observation.
Intervention never wears off.
A man throws a ball.
Gates does not want to appease anyone at all.
A woman sits on a chair and admires her Halloween decorations.
Two people are out in public.
There is a person walking alone, no one is on the street.
they are sitting on a couch