Nine interesting chains found.

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CHAIN 1    LENGTH 11 REPETITION 0.27272725 SCORE 2.9999998
national 1 hospital-spokesman 1 witness 1 tourist 1 victim 1 target 1 person 2 gunman 3

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CHAIN 2    LENGTH 5 REPETITION 0.39999998 SCORE 1.9999999
foot 1 area-hospital 1 empire-state-building 2 building 1

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CRITERION 1.53033

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CHAIN 3    LENGTH 2 REPETITION 0.5 SCORE 1.0
shooting 2

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CHAIN 4    LENGTH 3 REPETITION 0.3333333 SCORE 0.99999994
new-york-city 1 block-area 1 area 1

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CHAIN 5    LENGTH 3 REPETITION 0.3333333 SCORE 0.99999994
safety 1 condition 2

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CHAIN 6    LENGTH 3 REPETITION 0.3333333 SCORE 0.99999994
floor 2 floor-observation-deck 1

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CHAIN 7    LENGTH 2 REPETITION 0.0 SCORE 0.0
fire 1 burst 1

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CHAIN 8    LENGTH 2 REPETITION 0.0 SCORE 0.0
fire-truck 1 ambulance 1

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CHAIN 9    LENGTH 2 REPETITION 0.0 SCORE 0.0
34th-street 1 fifth-avenue 1

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