Premise: Lieutenant General Leslie Richard Groves Jr. ( 17 August 1896 -- 13 July 1970 ) was a United States Army Corps of Engineers officer who oversaw the construction of the Pentagon and directed the Manhattan Project , a top secret research project that developed the atomic bomb during World War II . The Manhattan Project was a research and development undertaking during World War II that produced the first nuclear weapons .
Hypothesis: Leslie Groves directed a research project.
Label: ENTAILMENT