Text: At the same time, the lead CEF analysts have responded to the EIA assertions by citing relevant economic literature and noting that the CEF study is one of the most carefully documented and complete analysis of U.S. energy futures that has ever been funded by the U.S. government (Koomey, et al, 2001).
Entailment: the CEF study is one of the most carefully documented and complete analysis of U.S. energy futures
Contradiction: the CEF study is one of the most incomplete analysis of U.S. energy futures