In Roald Dahl's short story: The Landlady, Dahl's antagonist is very forgetful. She continues to forget Billy's name. She states that his name goes " in one ear and out the other". This is an example of : .

Idiom

Explanation:

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Idioms are phrases that don't have a literal meaning. This means that we can't conclude what a phrase means based on the meanings of words that make it up. We simply have to learn what these phrases mean.

An example of an idiom is in one ear and out the other. This doesn't mean that something enters through one and exits through the other ear. Actually, this expression refers to an instance when someone ignores, dismisses, or forgets something almost immediately after being told. In this case, Dahl's antagonist keeps forgetting Billy's name instantly after hearing it.

1, 4, and 5 are all conflicts