def conll_demo():
    dg = DependencyGraph(conll_data1)
    tree = dg.tree()
    tree.pprint()
    print(dg)
    print(dg.to_conll(4))
A demonstration of how to read a string representation of
dataset/ETHPy150Open nltk/nltk/nltk/parse/dependencygraph.py/conll_demo