Text: Such a drastic change in the external conditions, (especially in different habits of substance use and abuse by the carriers) was expected to have a very stimulating effect on young organisms and lead to the development in the moment of their birth of a prime basis for an IQ level higher by 50 percent..
Entailment: Due to changing external conditions, organisms were expected to be born with higher IQs.
Contradiction: The organisms were getting dumber and dumber as time went on.