Jonathan is unwilling to communicate with others, has no apparent feeling, and remains motionless for hours at a time. jonathan is

Negative symptoms of schizophrenia

Explanation:

Schizophrenia is a mental disorder that includes both positive and negative symptoms.

In this example, Jonathan doesn't want to communicate with other people, has no apparent feeling and remains motionless for hours at a time. We can see that these 3 behaviors refer to negative symptoms of Schizophrenia and refer to Jonathan's lack of normal behaviors.

it teaches readers about an interesting chinese custom and causes them to determine that the minister is trying to be polite

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