21. There are solid reasons why NATO nations are reluctant to send ground troops into Kosovo.
22. To be sure, there are solid reasons for optimism.
23. He said government agencies which want to close a business or sector to foreigners must have solid reasons and arguments to support their recommendation.
24. There were solid reasons to believe he would not, the judge said.
25. There simply is no solid reason to question the results of recent race at Daytona.