Hello.
The answer is:
the ability of a digital computer or computer-controlled robot to perform tasks commonly associated with intelligent beings. The term is frequently applied to the project of developing systems endowed with the intellectual processes characteristic of humans, such as the ability to reason, discover meaning, generalize, or learn from past experience.
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If you need some adjectives:
astonishing
mesmerising
astounding
Answer:
Giving details that describe the setting
Answer:
Peter has (been) on the phone.
They have (been) at home.
