Question

I like Carlos. Their-His-Her hair is relly cool.
Really? I prefer Pablo His-Her-Their curly hair is neat
They are handsome. My-Your-Their smiles are really nice
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I like His-Your-Our new teacher Hiromi Onishi. She's talkative.
Yes, she is. But his-her-my favorite teacher is Scott. I love his class. He's funny

Answer 1

Really) I prefer Pablo, his curly hair is neat.
They are handsome. Their smiles are really nice.

I like our new teacher Hiromi Onishi. She's talkative
Yes, she is. But my favorite teacher is Scott. I love his class. He's funny.

Answer 2

I like Carlos. His hair is really cool. 
Really? I prefer Pablo. His curly hair is neat
They are handsome. Their smiles are really nice
I like our new teacher Hiromi Onishi. She's talkative.
Yes, she is. But my favorite teacher is Scott. I love his class. He's funny