Question

1. Who is Aibo?
2. He is a robot dog.
3. It is a robot dog.

4. What is Aibo?
5. He is a robot dog.
6. It is a robot dog.

(Are the questions and answers all correct? If the robot has a female voice, can we say " She is a robot dog?")

Answer 1

The sentences are fine. You would use 'He' or 'She' if it's clear the dog is male or female, yes. You would use 'It' if the dog's gender is unknown.