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The timetables of Global Volcanism Program ; Bristlecone pine tree-rings ( Pinus longaeva , Pinus aristata , Pinus ponderosa , Pinus edulis , Pseudotsuga menziesii ) ; the 4 ka Yamal Peninsula Siberian larch ( Larix sibirica ) chronology ; the 7 ka Scots pine ( Pinus sylvestris ) chronology from Finish Lapland ; GISP2 ice core ; GRIP ice core ; Dye 3 ice core ; Bipolar comparison ; Antarctic ice core ( Bunder and Cole-Dai , 2003 ) ; Antarctic ice core ( Cole-Dai et al. , 1997 ) ; Crête ice core , in central Greenland , benthic foraminifera in deep sea sediment cores ( Lisiecki , Raymo 2005 ) , do not agree with each other sometimes .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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