Editing Openai/6916afae-6ae0-800a-b91e-f4c494caf364 (section)

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➡ Neutral statement about the teacher.
➡ “As for the teacher, (yes) they are in the classroom.”

===== - The teacher is already known or under discussion. =====
* You’re giving information about the teacher.
* No contrast.

===== - You’re answering “Where is the teacher?”: A: 先生はどこですか？ B: 先生は 教室に います。 (“As for the teacher — in the classroom.”) =====
* Conversation flow: “Let’s go talk to the teacher.” “Okay — the teacher is in the classroom.”

===== は = the teacher is the topic. =====

==== ➡ Identifying the teacher as the one who is in the classroom. ====
➡ “It is the teacher who is in the classroom.”
➡ “The person in the classroom is the teacher.”

This is not a neutral location statement.
It’s a selection or correction.

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A: 誰が教室にいますか。
“Who is in the classroom?”
B: 先生が教室にいます。
“The teacher is (the one) in the classroom.”

====== A: 山田さんが教室にいるんじゃない？ ======
“Isn’t Yamada in the classroom?”
B: いいえ、先生が教室にいます。
“No — it’s the teacher who is.”

====== (Seeing someone through a window) ======
A: 誰が中にいるの？
B: 先生が教室にいますよ。
“Look — it’s the teacher in the classroom.”

===== が = spotlight on WHO is in the location. =====