Instruct: Retrieve semantically similar text.
Query: A person is dirt biking.
a person dirt bikes
dirt tracks are clean
A person riding a dirt bike.
The dirt biker was a professional rider.
A person on a dirt bike.
Adjustments being performed on a bicycle
a cyclist is nakes
The biker is dirty.
A person rides a motorized bike on a dirt track.
The person is doing a stunt on a dirt bike.
The bike is a tandom bike.
There are two dirtbike riders and one four wheeler driver.
A dirt biker feeling the track.
the dirt bike was in the air for 2 minutes
concrete biker
The dirt bikers are very fast.
The person is riding on some dirt.
A dirt biker is riding outside.
The bike is slow.
A new trail is being laid out by a dirt bike rider.
A person is participating in a dirt bike competition.
The bike is on it side.
Someone is competing in a dirt bike race.
a girl brushes her teeth
a young man falls off his dirt bike