1.  Financial reward is the primary reason most people work.

2.  It seemed to indicate that the primary reason for the defection was homosexuality.

3.  Low attendance was the primary reason for canceling the shows.

4.  That need for extra money is still the primary reason most people get into our business today.

5.  The primary reason for introducing new technology such as robots is to reduce costs and improve product quality.

6.  The primary reason for the adoption of this life-style is the attitude to the economic rewards of work.

7.  There would seem in retrospect to have been two primary reasons.

8.  This is the primary reason for the incorrect determinations and incorrect nomenclature of many cryptocorynes in the existing literature.

9.  The primary reason for admission to ICU is chosen from a number of diagnoses.