A man in red is climbing a waterfall with a red rope.
The man wearing red climbed the waterfall with a red rope.
The woman climbed the waterfall with the red rope.
A boy playing with his toy.
People are outside.
The dogs were outdoors running along the shore
Nobody on the Internet is discussing Big Business.
Looks at statistical correlations.
Risk estimates include effects from 1 or 2 days of pollution exposure.