hive> select explode(context_ngrams(sentences(tweet), array('I', 'need', null, null, null), 10)) from twitter.full_text_ts limit 50;
{"ngram":["my","hair","done"],"estfrequency":3.0}
{"ngram":["to","take","a"],"estfrequency":3.0}
{"ngram":["a","new","job"],"estfrequency":2.0}
{"ngram":["a","tip","drill"],"estfrequency":2.0}
{"ngram":["it","in","my"],"estfrequency":2.0}
{"ngram":["something","to","do"],"estfrequency":2.0}
{"ngram":["to","get","it"],"estfrequency":2.0}
{"ngram":["to","get","up"],"estfrequency":2.0}
{"ngram":["to","know","him"],"estfrequency":2.0}
{"ngram":["to","see","this"],"estfrequency":2.0}