[{"_id":"574ee0a22ebd024d04e7470b","lemma":"umm","pos":"interjection","lexicalEntryId":"WktEN_lexicalEntry_78703","senses":[{"label":"","definition":"Interjection implying hesitation","examples":["How does a plane fly?","Umm, I don't know."],"relations":[]}]},{"_id":"574ee0ad2ebd024d04e7470c","lemma":"umm","pos":"verb","lexicalEntryId":"WktEN_lexicalEntry_78704","senses":[{"label":"","definition":"To utter an umm as a form of hesitation","examples":[],"relations":[]}]}]