Text: Since the 1960s, U.S. gross national saving as a share of GDP has ranked sixth among a group of seven major industrialized countries- the G-7.
Entailment: U.S. gross national saving as a share of GDP has ranked since the 1960s sixth among the G-7.
Contradiction: U.S. gross national saving as a share of GDP has ranked since the 1990s sixth among the G-7.