11.   Several family members are due to arrive for the game, including the two people whose presence will mean the most.

12.   The Coprinus atramentarius are parasites that live on rotting wood, and their presence can mean impending doom for the tree host.

13.   The fans knew what his presence might mean.

14.   The presence of sodium carbonates means that carbon dioxide is probably dissolved in the water.

15.   The U.S. presence means more freedom and opportunity, too.

16.   These are the Michael Jordans and Meryl Streeps of the opera world, and their brand-name presence often can mean the difference between box-office failure or success.

17.   But his presence does not mean that China now has a worse record than other countries, he said.

18.   For most favela dwellers, the police presence has meant a new life.

19.   Instead, their presence may mean that Sinosauropteryx was warm-blooded and used the feather-like features to retain heat, the scientists said.

20.   The presence of antibodies means a person has been exposed to the virus and developed resistance, with or without developing symptoms.