Text: Despite US intelligence reports and monitored communications indicating the desperation of large sections of the Japanese government for peace, the Japanese rejection of the Potsdam Declaration calling for Japan's unconditional surrender was the excuse for unleashing the ultimate weapon of the war.
Entailment: The Japanese government had large sections of it that were desperate for a peace agreement, according to the intelligence reports of the US.
Contradiction: Japan accepted unconditional surrender called for by the Potsdam Declaration.