When he entered his mother's room, and saw her obviously poisoned, he jumped to the conclusion that Mademoiselle Cynthia knew something about the matter. 
His mother was clearly poisoned.
There were no signs she was poisoned.
The dry-cleaning was expensive.
Tommy wasn't certain whether it was the right or wrong one.
There is a man in a kayak.
A man in a skirt is moving a large object.
The lady is walking her dog.
Extra staff for interventions can be hired if their value is adequately shown to hospital administrators.