```json
{
  "claims": [
    {
      "claim": "Hypertelorism is common in Loeys-Dietz syndrome.",
      "quote": "Hypertelorism and bifid uvula or cleft palate are common.",
      "subject": "Hypertelorism",
      "predicate": "is common",
      "object": null,
      "negated": false,
      "qualifier": null,
      "subject_qualifier": "in Loeys-Dietz syndrome",
      "object_qualifier": null,
      "entities": ["Hypertelorism", "Loeys-Dietz syndrome"],
      "citations": ["[1]"],
      "about": "domain",
      "basis": "secondary_source"
    },
    {
      "claim": "Bifid uvula is common in Loeys-Dietz syndrome.",
      "quote": "Hypertelorism and bifid uvula or cleft palate are common.",
      "subject": "Bifid uvula",
      "predicate": "is common",
      "object": null,
      "negated": false,
      "qualifier": null,
      "subject_qualifier": "in Loeys-Dietz syndrome",
      "object_qualifier": null,
      "entities": ["Bifid uvula", "Loeys-Dietz syndrome"],
      "citations": ["[1]"],
      "about": "domain",
      "basis": "secondary_source"
    },
    {
      "claim": "Cleft palate is common in Loeys-Dietz syndrome.",
      "quote": "Hypertelorism and bifid uvula or cleft palate are common.",
      "subject": "Cleft palate",
      "predicate": "is common",
      "object": null,
      "negated": false,
      "qualifier": null,
      "subject_qualifier": "in Loeys-Dietz syndrome",
      "object_qualifier": null,
      "entities": ["Cleft palate", "Loeys-Dietz syndrome"],
      "citations": ["[1]"],
      "about": "domain",
      "basis": "secondary_source"
    },
    {
      "claim": "Ectopia lentis is not a feature of Loeys-Dietz syndrome.",
      "quote": "Unlike in Marfan syndrome, ectopia lentis is not a feature.",
      "subject": "Ectopia lentis",
      "predicate": "is a feature",
      "object": null,
      "negated": true,
      "qualifier": null,
      "subject_qualifier": "in Loeys-Dietz syndrome",
      "object_qualifier": null,
      "entities": ["Ectopia lentis", "Loeys-Dietz syndrome", "Marfan syndrome"],
      "citations": ["[2]"],
      "about": "domain",
      "basis": "secondary_source"
    }
  ]
}
```