Critically analyze the following json (data for a high quality antonym quiz aimed by college bound and university bound students preparing for SAT, TOEFL and GRE) and provide your insights:

{
      "id": 21,
      "quiztype": "quickquiz",
      "type": "antonyms",
      "question": "exacerbate",
      "options": [
          "alleviate",
          "worsen",
          "investigate",
          "exaggerate"
      ],
      "answer": "alleviate",
      "explanation": "The correct answer is <i>alleviate</i>.\n\n<i>Exacerbate</i> means to make a problem, bad situation, or negative feeling worse. Conversely, <i>alleviate</i> means to make suffering, deficiency, or a problem less severe, which is the antonym of <i>exacerbate</i>.\n\n<i>Worsen</i> is a synonym of <i>exacerbate</i>, both indicating an increase in severity.\n\n<i>Investigate</i> is an unrelated verb; it means to carry out a systematic or formal inquiry to discover and examine the facts.\n\n<i>Exaggerate</i> sounds similar to <i>exacerbate</i> but has a different meaning; it means to represent something as being larger, better, or worse than it really is.\n\n**Example Sentence**:\n\nHis actions served to <i>exacerbate</i> the conflict rather than <i>alleviate</i> the tension."
  },
  {
      "id": 22,
      "quiztype": "quickquiz",
      "type": "antonyms",
      "question": "ubiquitous",
      "options": [
          "rare",
          "common",
          "ambiguous",
          "ridiculous"
      ],
      "answer": "rare",
      "explanation": "The correct answer is <i>rare</i>.\n\n<i>Ubiquitous</i> means present, appearing, or found everywhere; omnipresent. In contrast, <i>rare</i> means not occurring very often; uncommon, which is the antonym of <i>ubiquitous</i>.\n\n<i>Common</i> is a synonym of <i>ubiquitous</i>, both indicating widespread presence.\n\n<i>Ambiguous</i> is an unrelated adjective; it means open to more than one interpretation; not having one obvious meaning.\n\n<i>Ridiculous</i> sounds similar to <i>ubiquitous</i> but has a different meaning; it means deserving or inviting mockery or derision; absurd.\n\n**Example Sentence**:\n\nWhile smartphones are <i>ubiquitous</i> today, they were <i>rare</i> just a few decades ago."
  },
  {
      "id": 23,
      "quiztype": "quickquiz",
      "type": "antonyms",
      "question": "clandestine",
      "options": [
          "open",
          "secret",
          "mundane",
          "canine"
      ],
      "answer": "open",
      "explanation": "The correct answer is <i>open</i>.\n\n<i>Clandestine</i> means kept secret or done secretively, especially because illicit. Conversely, <i>open</i> means not closed or concealed; readily accessible or observable, which is the antonym of <i>clandestine</i>.\n\n<i>Secret</i> is a synonym of <i>clandestine</i>, both relating to hidden actions.\n\n<i>Mundane</i> is an unrelated adjective; it means lacking interest or excitement; dull.\n\n<i>Canine</i> sounds similar to <i>clandestine</i> but has a different meaning; it relates to dogs.\n\n**Example Sentence**:\n\nTheir <i>clandestine</i> meetings eventually became <i>open</i> discussions once the project was made public."
  },
  {
      "id": 24,
      "quiztype": "quickquiz",
      "type": "antonyms",
      "question": "verbose",
      "options": [
          "succinct",
          "wordy",
          "humble",
          "reimburse"
      ],
      "answer": "succinct",
      "explanation": "The correct answer is <i>succinct</i>.\n\n<i>Verbose</i> means using more words than needed; wordy. In contrast, <i>succinct</i> means briefly and clearly expressed, which is the antonym of <i>verbose</i>.\n\n<i>Wordy</i> is a synonym of <i>verbose</i>, both indicating excessive use of words.\n\n<i>Humble</i> is an unrelated adjective; it means having or showing a modest or low estimate of one's importance.\n\n<i>Reimburse</i> sounds similar to <i>verbose</i> but has a different meaning; it means to repay a person who has spent or lost money.\n\n**Example Sentence**:\n\nHer <i>verbose</i> explanations confused the audience, whereas his <i>succinct</i> remarks were appreciated for their clarity."
  },
  {
      "id": 25,
      "quiztype": "quickquiz",
      "type": "antonyms",
      "question": "tenacious",
      "options": [
          "yielding",
          "determined",
          "fragile",
          "voracious"
      ],
      "answer": "yielding",
      "explanation": "The correct answer is <i>yielding</i>.\n\n<i>Tenacious</i> means tending to keep a firm hold of something; persistent. Conversely, <i>yielding</i> means giving way under pressure; not resisting; compliant, which is the antonym of <i>tenacious</i>.\n\n<i>Determined</i> is a synonym of <i>tenacious</i>, both indicating firmness and resolve.\n\n<i>Fragile</i> is an unrelated adjective; it means easily broken or damaged.\n\n<i>Voracious</i> sounds similar to <i>tenacious</i> but has a different meaning; it means having a very eager approach to an activity or consuming large quantities of food.\n\n**Example Sentence**:\n\nHer <i>tenacious</i> attitude helped her overcome obstacles, unlike her <i>yielding</i> colleague who easily gave up."
  },
  {
      "id": 26,
      "quiztype": "quickquiz",
      "type": "antonyms",
      "question": "perfidious",
      "options": [
          "faithful",
          "treacherous",
          "innocuous",
          "prodigious"
      ],
      "answer": "faithful",
      "explanation": "The correct answer is <i>faithful</i>.\n\n<i>Perfidious</i> means deceitful and untrustworthy. In contrast, <i>faithful</i> means loyal, constant, and steadfast, which is the antonym of <i>perfidious</i>.\n\n<i>Treacherous</i> is a synonym of <i>perfidious</i>, both indicating betrayal.\n\n<i>Innocuous</i> is an unrelated adjective; it means not harmful or offensive.\n\n<i>Prodigious</i> sounds similar to <i>perfidious</i> but has a different meaning; it means remarkably or impressively great in extent, size, or degree.\n\n**Example Sentence**:\n\nDespite rumors of <i>perfidious</i> actions, he remained <i>faithful</i> to his friends."
  },
  {
      "id": 27,
      "quiztype": "quickquiz",
      "type": "antonyms",
      "question": "mellifluous",
      "options": [
          "harsh",
          "melodious",
          "tedious",
          "malicious"
      ],
      "answer": "harsh",
      "explanation": "The correct answer is <i>harsh</i>.\n\n<i>Mellifluous</i> means sweet or musical; pleasant to hear. Conversely, <i>harsh</i> means unpleasantly rough or jarring to the senses, which is the antonym of <i>mellifluous</i>.\n\n<i>Melodious</i> is a synonym of <i>mellifluous</i>, both relating to pleasant sounds.\n\n<i>Tedious</i> is an unrelated adjective; it means too long, slow, or dull; tiresome or monotonous.\n\n<i>Malicious</i> sounds similar to <i>mellifluous</i> but has a different meaning; it means intending or intended to do harm.\n\n**Example Sentence**:\n\nThe singer's <i>mellifluous</i> voice captivated the audience, unlike the <i>harsh</i> tones of the opening act."
  },
  {
      "id": 28,
      "quiztype": "quickquiz",
      "type": "antonyms",
      "question": "sycophantic",
      "options": [
          "critical",
          "flattering",
          "independent",
          "symphonic"
      ],
      "answer": "critical",
      "explanation": "The correct answer is <i>critical</i>.\n\n<i>Sycophantic</i> means behaving or done in an obsequious way to gain advantage; fawning. Conversely, <i>critical</i> means expressing adverse or disapproving comments or judgments, which is the antonym of <i>sycophantic</i>.\n\n<i>Flattering</i> is a synonym of <i>sycophantic</i>, both indicating excessive praise.\n\n<i>Independent</i> is an unrelated adjective; it means free from outside control; not subject to another's authority.\n\n<i>Symphonic</i> sounds similar to <i>sycophantic</i> but has a different meaning; it relates to or is characteristic of a symphony or symphony orchestra.\n\n**Example Sentence**:\n\nHis <i>sycophantic</i> behavior annoyed his colleagues, whereas she was valued for her <i>critical</i> insights."
  },
  {
      "id": 29,
      "quiztype": "quickquiz",
      "type": "antonyms",
      "question": "parsimonious",
      "options": [
          "generous",
          "frugal",
          "luxurious",
          "paramount"
      ],
      "answer": "generous",
      "explanation": "The correct answer is <i>generous</i>.\n\n<i>Parsimonious</i> means unwilling to spend money or use resources; stingy. In contrast, <i>generous</i> means showing a readiness to give more of something than is necessary or expected, which is the antonym of <i>parsimonious</i>.\n\n<i>Frugal</i> is a synonym of <i>parsimonious</i>, both indicating reluctance to spend.\n\n<i>Luxurious</i> is an unrelated adjective; it means extremely comfortable, elegant, or enjoyable, especially in a way that involves great expense.\n\n<i>Paramount</i> sounds similar to <i>parsimonious</i> but has a different meaning; it means more important than anything else; supreme.\n\n**Example Sentence**:\n\nThe company's <i>parsimonious</i> approach limited growth, unlike their competitor's <i>generous</i> investment in innovation."
  },
  {
      "id": 30,
      "quiztype": "quickquiz",
      "type": "antonyms",
      "question": "perspicacious",
      "options": [
          "obtuse",
          "astute",
          "simple",
          "persuasive"
      ],
      "answer": "obtuse",
      "explanation": "The correct answer is <i>obtuse</i>.\n\n<i>Perspicacious</i> means having a ready insight into and understanding of things; keen. In contrast, <i>obtuse</i> means slow to understand; dull-witted, which is the antonym of <i>perspicacious</i>.\n\n<i>Astute</i> is a synonym of <i>perspicacious</i>, both indicating sharpness of mind.\n\n<i>Simple</i> is an unrelated adjective; it means easily understood or done; presenting no difficulty.\n\n<i>Persuasive</i> sounds similar to <i>perspicacious</i> but has a different meaning; it means good at persuading someone to do or believe something through reasoning or the use of temptation.\n\n**Example Sentence**:\n\nHer <i>perspicacious</i> analysis impressed the team, whereas his <i>obtuse</i> comments missed the point entirely."
  },
  {
      "id": 31,
      "quiztype": "quickquiz",
      "type": "antonyms",
      "question": "voracious",
      "options": [
          "satiated",
          "greedy",
          "tranquil",
          "veracious"
      ],
      "answer": "satiated",
      "explanation": "The correct answer is <i>satiated</i>.\n\n<i>Voracious</i> means wanting or devouring great quantities of food or having a very eager approach to an activity. Conversely, <i>satiated</i> means satisfied to the full; not desiring more, which is the antonym of <i>voracious</i>.\n\n<i>Greedy</i> is a synonym of <i>voracious</i>, both indicating an intense appetite.\n\n<i>Tranquil</i> is an unrelated adjective; it means free from disturbance; calm.\n\n<i>Veracious</i> sounds similar to <i>voracious</i> but has a different meaning; it means speaking or representing the truth.\n\n**Example Sentence**:\n\nAfter days of fasting, he had a <i>voracious</i> appetite, but after the feast, he felt completely <i>satiated</i>."
  },
  {
      "id": 32,
      "quiztype": "quickquiz",
      "type": "antonyms",
      "question": "arduous",
      "options": [
          "easy",
          "strenuous",
          "casual",
          "ardent"
      ],
      "answer": "easy",
      "explanation": "The correct answer is <i>easy</i>.\n\n<i>Arduous</i> means involving or requiring strenuous effort; difficult and tiring. In contrast, <i>easy</i> means achieved without great effort; presenting few difficulties, which is the antonym of <i>arduous</i>.\n\n<i>Strenuous</i> is a synonym of <i>arduous</i>, both indicating effortful tasks.\n\n<i>Casual</i> is an unrelated adjective; it means relaxed and unconcerned.\n\n<i>Ardent</i> sounds similar to <i>arduous</i> but has a different meaning; it means enthusiastic or passionate.\n\n**Example Sentence**:\n\nClimbing the mountain was an <i>arduous</i> challenge, whereas the descent was <i>easy</i>."
  },
  {
      "id": 33,
      "quiztype": "quickquiz",
      "type": "antonyms",
      "question": "enigmatic",
      "options": [
          "transparent",
          "cryptic",
          "explicit",
          "energetic"
      ],
      "answer": "transparent",
      "explanation": "The correct answer is <i>transparent</i>.\n\n<i>Enigmatic</i> means difficult to interpret or understand; mysterious. Conversely, <i>transparent</i> means easy to perceive or detect; open and frank, which is the antonym of <i>enigmatic</i>.\n\n<i>Cryptic</i> is a synonym of <i>enigmatic</i>, both indicating something hard to understand.\n\n<i>Explicit</i> is an unrelated adjective; it means stated clearly and in detail, leaving no room for confusion or doubt.\n\n<i>Energetic</i> sounds similar to <i>enigmatic</i> but has a different meaning; it means showing or involving great activity or vitality.\n\n**Example Sentence**:\n\nHer <i>enigmatic</i> smile left him wondering, whereas her <i>transparent</i> intentions were clear to everyone else."
  },
  {
      "id": 34,
      "quiztype": "quickquiz",
      "type": "antonyms",
      "question": "altruistic",
      "options": [
          "selfish",
          "benevolent",
          "cynical",
          "artistic"
      ],
      "answer": "selfish",
      "explanation": "The correct answer is <i>selfish</i>.\n\n<i>Altruistic</i> means showing a selfless concern for the well-being of others; unselfish. In contrast, <i>selfish</i> means lacking consideration for others; concerned chiefly with one's own personal profit or pleasure, which is the antonym of <i>altruistic</i>.\n\n<i>Benevolent</i> is a synonym of <i>altruistic</i>, both indicating kindness.\n\n<i>Cynical</i> is an unrelated adjective; it means believing that people are motivated purely by self-interest; distrustful of human sincerity or integrity.\n\n<i>Artistic</i> sounds similar to <i>altruistic</i> but has a different meaning; it relates to or is characteristic of art or artists.\n\n**Example Sentence**:\n\nHer <i>altruistic</i> actions benefited many, unlike his <i>selfish</i> pursuits."
  },
  {
      "id": 35,
      "quiztype": "quickquiz",
      "type": "antonyms",
      "question": "sagacious",
      "options": [
          "foolish",
          "prudent",
          "careless",
          "salacious"
      ],
      "answer": "foolish",
      "explanation": "The correct answer is <i>foolish</i>.\n\n<i>Sagacious</i> means having or showing keen mental discernment and good judgment; wise. Conversely, <i>foolish</i> means lacking good sense or judgment; unwise, which is the antonym of <i>sagacious</i>.\n\n<i>Prudent</i> is a synonym of <i>sagacious</i>, both indicating wisdom.\n\n<i>Careless</i> is an unrelated adjective; it means not giving sufficient attention or thought to avoiding harm or errors.\n\n<i>Salacious</i> sounds similar to <i>sagacious</i> but has a different meaning; it means having or conveying undue or inappropriate interest in sexual matters.\n\n**Example Sentence**:\n\nInvesting early was a <i>sagacious</i> decision, while ignoring advice was considered <i>foolish</i>."
  },
  {
      "id": 36,
      "quiztype": "quickquiz",
      "type": "antonyms",
      "question": "mercurial",
      "options": [
          "stable",
          "erratic",
          "constant",
          "merciful"
      ],
      "answer": "stable",
      "explanation": "The correct answer is <i>stable</i>.\n\n<i>Mercurial</i> means subject to sudden or unpredictable changes of mood or mind. In contrast, <i>stable</i> means not likely to change or fail; firmly established, which is the antonym of <i>mercurial</i>.\n\n<i>Erratic</i> is a synonym of <i>mercurial</i>, both indicating unpredictability.\n\n<i>Constant</i> is an unrelated adjective; it means occurring continuously over a period of time.\n\n<i>Merciful</i> sounds similar to <i>mercurial</i> but has a different meaning; it means showing or exercising mercy.\n\n**Example Sentence**:\n\nHis <i>mercurial</i> temperament made him unpredictable, whereas his brother's <i>stable</i> nature was reassuring."
  },
  {
      "id": 37,
      "quiztype": "quickquiz",
      "type": "antonyms",
      "question": "phlegmatic",
      "options": [
          "excitable",
          "stoic",
          "vivacious",
          "dogmatic"
      ],
      "answer": "excitable",
      "explanation": "The correct answer is <i>excitable</i>.\n\n<i>Phlegmatic</i> means having an unemotional and calm disposition. Conversely, <i>excitable</i> means responding rather too readily to something new or stimulating; easily excited, which is the antonym of <i>phlegmatic</i>.\n\n<i>Stoic</i> is a synonym of <i>phlegmatic</i>, both indicating a lack of emotional display.\n\n<i>Vivacious</i> is an unrelated adjective; it means attractively lively and animated.\n\n<i>Dogmatic</i> sounds similar to <i>phlegmatic</i> but has a different meaning; it means inclined to lay down principles as undeniably true.\n\n**Example Sentence**:\n\nDespite the chaos, she remained <i>phlegmatic</i>, unlike her <i>excitable</i> colleague who panicked."
  },
  {
      "id": 38,
      "quiztype": "quickquiz",
      "type": "antonyms",
      "question": "ebullient",
      "options": [
          "depressed",
          "lively",
          "subdued",
          "brilliant"
      ],
      "answer": "depressed",
      "explanation": "The correct answer is <i>depressed</i>.\n\n<i>Ebullient</i> means cheerful and full of energy. In contrast, <i>depressed</i> means in a state of unhappiness or despondency, which is the antonym of <i>ebullient</i>.\n\n<i>Lively</i> is a synonym of <i>ebullient</i>, both indicating high spirits.\n\n<i>Subdued</i> is an unrelated adjective; it means quiet and rather reflective or depressed.\n\n<i>Brilliant</i> sounds similar to <i>ebullient</i> but has a different meaning; it means exceptionally clever or talented.\n\n**Example Sentence**:\n\nShe was <i>ebullient</i> after receiving the good news, whereas he remained <i>depressed</i> despite the celebration."
  },
  {
      "id": 39,
      "quiztype": "quickquiz",
      "type": "antonyms",
      "question": "intrepid",
      "options": [
          "timid",
          "courageous",
          "ordinary",
          "insipid"
      ],
      "answer": "timid",
      "explanation": "The correct answer is <i>timid</i>.\n\n<i>Intrepid</i> means fearless; adventurous. Conversely, <i>timid</i> means showing a lack of courage or confidence; easily frightened, which is the antonym of <i>intrepid</i>.\n\n<i>Courageous</i> is a synonym of <i>intrepid</i>, both indicating bravery.\n\n<i>Ordinary</i> is an unrelated adjective; it means with no special or distinctive features; normal.\n\n<i>Insipid</i> sounds similar to <i>intrepid</i> but has a different meaning; it means lacking flavor, vigor, or interest.\n\n**Example Sentence**:\n\nThe <i>intrepid</i> explorer ventured into unknown lands, unlike his <i>timid</i> companion who preferred to stay behind."
  },
  {
      "id": 40,
      "quiztype": "quickquiz",
      "type": "antonyms",
      "question": "erudite",
      "options": [
          "ignorant",
          "scholarly",
          "mundane",
          "eradicate"
      ],
      "answer": "ignorant",
      "explanation": "The correct answer is <i>ignorant</i>.\n\n<i>Erudite</i> means having or showing great knowledge or learning. In contrast, <i>ignorant</i> means lacking knowledge or awareness in general; uneducated or unsophisticated, which is the antonym of <i>erudite</i>.\n\n<i>Scholarly</i> is a synonym of <i>erudite</i>, both indicating extensive knowledge.\n\n<i>Mundane</i> is an unrelated adjective; it means lacking interest or excitement; dull.\n\n<i>Eradicate</i> sounds similar to <i>erudite</i> but has a different meaning; it means to destroy completely; put an end to.\n\n**Example Sentence**:\n\nThe <i>erudite</i> professor amazed everyone with his lectures, while the <i>ignorant</i> remarks of the novice were dismissed."
  }