Four men , two of them with guitars , perform on a stage while several people with their hands in the air watch .
There is almost no chance that two men with guitars and two men with banjos are performing in front of an audience .
There is almost no chance that two men with guitars and two men with banjos are performing in front of an audience .
There is a better than even chance that two men with guitars and two men with banjos are performing in front of an audience .
Two men with guitars and two men with banjos are performing in front of an audience .