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Stanford CoreNLP provides a set of natural language analysis tools which can take raw English language text input and give the base forms of words, their parts of speech, whether they are names of companies, people, etc., normalize dates, times, and numeric quantities, mark up the structure of sentences in terms of phrases and word dependencies, and indicate which noun phrases refer to the same entities. It provides the foundational building blocks for higher level text understanding applications.

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package edu.stanford.nlp.util;

public class IntQuadruple extends IntTuple {

  private static final long serialVersionUID = 7154973101012473479L;


  public IntQuadruple() {
    super(4);
  }

  public IntQuadruple(int src, int mid, int trgt, int trgt2) {
    super(4);
    elements[0] = src;
    elements[1] = mid;
    elements[2] = trgt;
    elements[3] = trgt2;
  }


  @Override
  public IntTuple getCopy() {
    IntQuadruple nT = new IntQuadruple(elements[0], elements[1], elements[2], elements[3]);
    return nT;
  }


  public int getSource() {
    return get(0);
  }


  public int getMiddle() {
    return get(1);
  }

  public int getTarget() {
    return get(2);
  }

  public int getTarget2() {
    return get(3);
  }
}