Classifier Instance:

Anchor text: long-distance
Target Entity: Long_distance_calling
Preceding Context: However, contrary to numerous stories, before finding the articles in the Bell System Technical Journal it was discovered by many, some very unintentionally and to their annoyance, that a 2600 Hz tone, used by AT&T as a steady signal to mark currently unused
Succeeding Context: telephone lines, or "trunk lines", would reset those lines. Joe Engressia (known as Joybubbles) accidentally discovered it at the age of 7 by whistling (with his mouth). He and other famous phone phreaks such as "Bill from New York" and "The Glitch", trained themselves to whistle 2600 Hz to reset a trunk line. They also learned how to route phone calls by causing trunks to flash in certain patterns. At one point in the 1960s, packets of the Cap'n Crunch breakfast cereal included a free gift: a small whistle that (by coincidence) generated a 2600 Hz tone when one of the whistle's two holes was covered. The phreaker John Draper adopted his nickname "Captain Crunch" from this whistle. Others would utilize exotic birds such as canaries which are able to hit the 2600 Hz tone to the same effect.
Paragraph Title: History
Source Page: Blue box

Ground Truth Types:

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|  |  |  |  |  |---wordnet_utility_108185758
|  |  |  |  |  |  |---wordnet_utility_108185758_rest

Predicted Types:

TypeConfidenceDecision
wordnet_artifact_100021939-0.5735256799018649 0
wordnet_event_100029378-0.40101591594829566 0
wordnet_organization_108008335-1.2134250069323698 0
wordnet_person_100007846-3.1490899248651227 0
yagoGeoEntity-1.5948719600318138 0
|---wordnet_entity_100001740
|  |---wordnet_artifact_100021939
|  |---wordnet_event_100029378
|  |---wordnet_organization_108008335
|  |---wordnet_person_100007846
|  |---yagoGeoEntity