But by the time ten reactions have been measured, we believe we have a reliable clue.

Generally, though, the most reliable clues to possible quality can be found in the credits; solid track records can't be easily dismissed.

And like the groundhog, Accorsi left few reliable clues about what the coming days might bring.

Since national stereotypes have faded, they are hardly a reliable clue to a company's artistic profile.

But the coating was too degraded to be a reliable clue.

However, that is the only reliable clue into the genealogy of Astikai family.

All those people huddled under umbrellas outside Manhattan precincts gave a reliable clue to remarkable voter turnout everywhere.

That's a pretty reliable clue to his state of mind.

Nevertheless, the letters are nowadays still considered one of the most reliable clues about the man's true identity.