Anchor: The Bureau of Labor Statistics (BLS) publishes an official measure of output per unit of combined labor and capital inputs-multifactor productivity.
Entailed: Some of the categories the Bureau of Labor Statistics tracks are labor output and productivity rates.
Contradiction: Reliable labor statistics do not exist.
Contradiction: BLS doesn't have any official measures
Contradiction: A tour is crossing the road on donkeys.
Contradiction: the man is old
Contradiction: I never made any marriage proposal to Cynthia.