1.   But it is an informal sampling.

2.   In an informal sampling at Meadowbrook Golf Course in Fort Worth this week, golfers who saw the product said they were impressed and probably would remember the advertiser.

3.   Coomber feels more secure than most, if an informal sampling of probable Olympians is any indication.

4.   He spoke in an informal sampling of people at shopping malls and mosques in the capital Riyadh.