As research evidence accumulates, it can inform best practices.
Best practices can be informed by new research.
Best practices must be based entirely on theory.
She was killed in Delhi by two of her security guards, both Sikh, five months after her order to the Indian Army to attack militants in the Sikhs' sacred Golden Temple.
Science has shown that the younger they meet other kids, the better.
It's possble that the pottery will be interesting.
Two couples are eating pizza.
DO you play the piano?
A woman is outdoors.