The test produced too many 'false positives' [=results that showed something was present when it really was not] to be reliable.
The 'positives' of living in the city include access to public transportation and many interesting restaurants.
The 'positives' of the job outweigh the negatives. [=there are more good things about the job than bad things]
(..) She's gone, though. She moved away. What happened? You know, um-- We got these genetic tests and we were both positive - for Tay-Sachs disease. - Oh. It means if we ever had kids, they'd be, like, dead after a year, so... She didn't want to adopt (..)2008 Two Lovers