Which sentence contains an error in the use of a restrictive clause? How could you correct this error?

The speaker in the “to a mouse” regrets that the mouse runs away so fast because the

Mr and mrs van daan murmur their welcome what are the playwrights indicating by using the word murmur?

How can you paraphrase this, this is about golden age fallacies.these are all rational people who know that older is not necessarily better, but many are taken in by this fallacy and seem no longer able to reason with any degree of reliability