You are a highly experienced educational content creator  for Indian competitive exams such as Railway (Typist - Non_Technical_Posts) under the subject of General English or Hindi (as opted). The topic is **Antonyms**.. Your task is to generate a detailed **bilingual explanation (English + Hindi)** for a **mnemonic anagram letter** for topic Antonyms, using the following inputs.

    Generate a Markdown output using this structure:

    ---

    🧠 **Anagram (Short)**: OPPOSITE  
    📖 **Expanded (English)**: OPPOSITE  
    📖 **Expanded (Hindi)**: विपरीत

    ---

    ### 🔠 Letter: S / प — *Synonym-based Antonyms / पर्यायवाची आधारित विपरीत*

    #### 📚 Concept:
    - EN: Synonym-based Antonyms  
    - HI: पर्यायवाची आधारित विपरीत

    #### 🧠 Type:
    - EN: Synonym-based Antonyms  
    - HI: पर्यायवाची आधारित विपरीत

    #### 📖 Description:
    - EN: Antonyms that closely relate to synonyms providing contrast meaning.  
    - HI: पर्यायवाची शब्दों के आधार पर विपरीत।

    #### 📌 Explanation:
    - EN: Considering the antonyms with close synonym relationships to understand nuanced opposites.  
    - HI: पर्यायवाचियों के सम्बन्ध से शब्दों के सूक्ष्म विपरीत अर्थ को समझना।

    #### ➗ Formula or Relation:
    - EN: **Synonym(word) ~ word_set; Antonym derived relative to synonyms**  
    - HI: **पर्यायवाची(शब्द) ~ शब्द समूह; पर्याय के आधार पर विपरीत निकलना।**

    #### 💡 Example Questions:
    **ENGLISH:**
    ["Find the antonym of 'Illuminate' considering its connection with synonyms such as 'Brighten' and explain its usage in government notices.", "Select the opposite of 'Elevate' when synonym given is 'Raise' with a focus on formal letter writing in railways.", "Pick the antonym for 'Encourage' given 'Motivate' as a synonym, with sample questions in public sector exams."]

    **HINDI:**
    ['‘Illuminate’ का पर्यायवाची शब्द ‘Brighten’ के सन्दर्भ में विपरीत शब्द बताइए और सरकारी अधिसूचनाओं में उपयोग समझाइए।', '‘Elevate’ का विपरीत चुनिए, जिसमें पर्यायवाची ‘Raise’ हो, रेलवे के औपचारिक पत्रों में इसे विस्तार से बताइए।', '‘Encourage’ का पर्याय ‘Motivate’ के संदर्भ में विपरीत शब्द खोजिए, सार्वजनिक क्षेत्र की परीक्षाओं में इस पर आधारित प्रश्न तैयार कीजिए।']

    ---
    object should have:
        - "mnemonic_letter_english", "mnemonic_letter_hindi"
        - "type_english", "type_hindi"
        - "description_english", "description_hindi"
        - "difficulty_level_english", "difficulty_level_hindi"
        - "exam_frequency_english", "exam_frequency_hindi"
        - "time_to_solve_english", "time_to_solve_hindi"
        - "clue_words_english": list of 4-5 identifying keywords/phrases
        - "clue_words_hindi": same in Hindi
        - "what_to_use_english", "what_to_use_hindi"
        - "formula_english", "formula_hindi"
        - "alternative_formulas_english", "alternative_formulas_hindi": list of 2-3 alternative formulas
        - "algorithm_english", "algorithm_hindi": step-by-step string list
        - "quick_method_english", "quick_method_hindi"

        - "example": answer all  the question give as Example Questions.
 
          - Require multi-step calculation or reasoning.
          - NOT be short phrases, fragments, or simplified school-level word problems.each Example Questions should be including:
            - "example_no"
            - "question_english", "question_hindi"
            - "solution_steps_english": step list
            - "solution_steps_hindi": step list
            - "answer_english", "answer_hindi"
            - "verification_english", "verification_hindi"

        - "variations_english", "variations_hindi": list of variation types
        - "related_concepts_english", "related_concepts_hindi": related subtopics or concepts
        - "common_mistakes_english", "common_mistakes_hindi": list of 10 traps or errors
        - "tip_english", "tip_hindi": short-cut or important tip
        - "prerequisite_knowledge_english", "prerequisite_knowledge_hindi": list of 3 concepts
        - "practice_problems_english", "practice_problems_hindi": list of 3  full-length and detailed practical, compact competitive-level example questions** per type.  
      ⚠️ NOTE : Ensure answer all the question of Example Questions in the example key

        Use simple, learner-friendly language and return only the JSON object in your response, formatted with proper indentation and structure.
        Use clear language suitable for aptitude learners and format the JSON cleanly

### 🔁 output JSon should be

```json
            { 
              "mnemonic_letter_english": "",
              "mnemonic_letter_hindi": "",
              "type_english": "",
              "type_hindi": "",
              "description_english": "",
              "description_hindi": "",
              "difficulty_level_english": "",
              "difficulty_level_hindi": "",
              "exam_frequency_english": "",
              "exam_frequency_hindi": "",
              "time_to_solve_english": "",
              "time_to_solve_hindi": "",
              "clue_words_english": [
                  "",
                  "",
                  "",
                  "",
                  ""
              ],
              "clue_words_hindi": [
                  "",
                  "",
                  "",
                  "",
                  ""
              ],
              "what_to_use_english": "",
              "what_to_use_hindi": "",
              "formula_english": "",
              "formula_hindi": "",
              "alternative_formulas_english": [
                  "",
                  ""
              ],
              "alternative_formulas_hindi": [
                  "",
                  ""
              ],
              "algorithm_english": [
                  "",
                  "",
                  "",
                  ""
              ],
              "algorithm_hindi": [
                  "",
                  "",
                  "",
                  ""
              ],
              "quick_method_english": "",
              "quick_method_hindi": "",
              "example": [
                  {
                  "example_no":"",
                  "question_english": "",
                  "question_hindi": "",
                  "solution_steps_english": [
                      "",
                      "",
                      "",
                      "",
                      ""
                  ],
                  "solution_steps_hindi": [
                      "",
                      "",
                      "",
                      "",
                      ""
                  ],
                  "answer_english": "",
                  "answer_hindi": "",
                  "verification_english": "",
                  "verification_hindi": ""
              }..,],
              "variations_english": [
                  "",
                  "",
                  ""
              ],
              "variations_hindi": [
                  "",
                  "",
                  ""
              ],
              "related_concepts_english": [
                  "",
                  "",
                  ""
              ],
              "related_concepts_hindi": [
                  "",
                  "",
                  ""
              ],
              "common_mistakes_english": [
                  "",
                  ""
              ],
              "common_mistakes_hindi": [
                  "",
                  ""
              ],
              "tip_english": "",
              "tip_hindi": "",
              "prerequisite_knowledge_english": [
                  "",
                  "",
                  ""
              ],
              "prerequisite_knowledge_hindi": [
                  "",
                  "",
                  ""
              ],
              "practice_problems_english": [
                  "",
                  ""
              ],
              "practice_problems_hindi": [
                  "",
                  ""
              ]
          }