Sentence 4: What is the family name of the person in the centre of the picture?

{
  "meaning": {
    "POS_tagging": {
      "POS_tagging_set": "CST's Part-Of-Speech tagger (Brill, with adaptations)",
      "POS_tagging_result": " What/WP is/VBZ the/DT family/NN name/NN of/IN the/DT person/NN in/IN the/DT centre/NN of/IN the/DT picture/NN ?/."
    },
    "NE_tagging": {
      "NE_tagging_set": " https://cst.dk/online/navnegenkenderCSTNER/uk/",
      "NE_tagging_result": " [What,misc,uncertain] is the family name of the person in the centre of the picture ?"
    },
    "dependency_tagging": {
      "dependency_tagging_set": "CG-dependency, https://edu.visl.dk/visl/en/parsing/automatic/dependency.php ",
      " dependency_tagging_result": " <ß>\nWhat [what] <clb> <*> <interr> INDP S/P @SC> #1->2\nis [be] <mv> V PR 3S @FS-QUE #2->0\nthe [the] <def> ART S/P @>N #3->5\nfamily [family] <HH> <comp1> <comp1> <ncomp> N S NOM @>N #4->5\nname [name] <ac-cat> <comp2> <def> <nhead> N S NOM @<SUBJ #5->2\nof [of] <np-close> PRP @N< #6->5\nthe [the] <def> ART S/P @>N #7->8\nperson [person] <H> <def> <nhead> N S NOM @P< #8->6\nin [in] <advl-fs> PRP @<ADVL #9->2\nthe [the] <def> ART S/P @>N #10->11\ncentre [centre] <Labs> <inst> <def> <nhead> N S NOM @P< #11->9\nof [of] <np-close> PRP @N< #12->11\nthe [the] <def> ART S/P @>N #13->14\npicture [picture] <pict> <repr> <def> <nhead> N S NOM @P< #14->12\n? [?] PU @PU #15->0\n</ß>"
    },
    "SRL_tagging": {
      "SRL_tagging_set": "HanLP,  https://hanlp.hankcs.com/en/demos/srl.html",
      "SRL_tagging_result": " What/ARG2 is/PRED (the family name of the person in the centre of the picture)/ARG1 ?"
    }
  }
}