21.  A tradition that was based only on communication could not lead to the compulsive character that attaches to religious phenomena.

22.  A very little bit of sugar works wonders for dishes that are based on sour tastes.

23.  After learning to fly she took a job as a pilot with a small commuter airline based in Humberside.

24.  Again, both groups are above average in logical thinking, preferring to make Decisions based on facts.

25.  All abstract, intellectual concepts that children will master at later ages are based on concepts they learn in their early relationships.

26.  All of the characters are based on real people.

27.  All previous studies have been based on statistics provided by individual nations.

28.  All soya sauces provide invaluable seasoning to strict vegetarian diets that are based mainly on relatively bland grains.

29.  All such activity is in the interests of both personal and national safety, but also is based on an economic argument.