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More than 3 million calories of fossil fuel energy normally are required to produce nitrogen fertilizer for an acre of corn grown under a continuous cropping program , said David Pimentel , an ecologist and entomologist at Cornell University.
 Work for: David Pimentel, Cornell University.
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: Organization based in, Located in, Live in, Work for, Kill 
Text: {0} 
 Entity Pairs:  David Pimentel, Cornell University. 
Answer:
 Work for: David Pimentel, Cornell University.