An aspirin added to the water would preserve the flowers .
There is almost no chance that this vase of flowers will stay fresher if an aspirin is added to the water .
There is a very good chance that this vase of flowers will stay fresher if an aspirin is added to the water .
There is almost no chance that this vase of flowers will stay fresher if an aspirin is added to the water .
This vase of flowers will stay fresher if an aspirin is added to the water .