{
    "reference": [
        {
            "keyword": "PPP",
            "context": " u oa d. a& . I o s .. a E 8 31 6 d u a I t , E s PPP 11 \u201e 8 strit 0. i s \u00b0 a < D o E e4 Z g < 0 g 1\u00b0 \u20ac"
        }
    ]
}