The correct ingredient with 正解
Kanji Explanation: Separating and understanding with 解

Takagi challenges Nishikata to guess what ingredient is inside a riceball in her lunch box. Seeing a bit of salmon from the other riceball, Nishika goes with salmon as his guess.
- 高木:
- 「正解はウメでした。」
- “The correct answer was apricot.”
正解
Key Points
1正解( = “correct answer”
- 正
( adds the idea of correctness, and 解( is the answer or solution. - Here it means the one answer that was actually right in Takagi’s guessing game.
2Why は is used after 正解(
- は sets the answer as the topic before telling what it was.
からかい上手の高木さん © its respective creators. It is used here for educational commentary.