The gardens, once a favorite spot for aristocratic duels, now serve as a pleasant children's playground.
Children now play where aristocratic duels took place.
The children take part in aristocratic duels.
Applying that definition means you should learn nothing about what's being studied.
A woman playing video games.
the men are talking
A young man pops a wheelie on his bike.
A cow in a pasture and a pig behind a wall.
A vendor sells food on the street.