It added that six other samples from riders who were not identified had also proved positive.

If a test proved positive, the rookie would be banned forever.

In 2006, it was revealed that 25% of random drug tests on inmates had proven positive.

If the first one proves positive, the second is analyzed to make sure there has been no mistake.

When the results proved positive, they told him of his mother's death this evening.

If the re-test proves positive the farm will be closed up yet again.

Although both aircraft were lost during the demonstration program, test data proved positive.

If the second test also proved positive, the student would be required to leave the country.

The results of the plans proved positive. There were notable improvements in production and marketing.

There are certainly ways in which the opportunity to leave one's homeland can prove positive.