| 11. | The power of directors does surface on occasion when they intervene.
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| 12. | The consequence was that on occasion their system would abruptly halt.
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| 13. | Popular animated films have on occasion generated controversy in recent years.
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| 14. | He has a strong voice that failed him only on occasion.
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| 15. | You need the ball to bounce a certain way on occasion.
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| 16. | The Carolina Panthers use this defense on occasion with decent success.
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| 17. | Scoring a clutch goal on occasion would serve the same purpose.
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| 18. | A female may on occasion be killed by the dominant male.
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| 19. | The government itself has on occasion run afoul of the censors.
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| 20. | On occasion, police actions have also sparked confrontations with protesters.
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