Anchor: an IBM PC in like in nineteen eighty one it would cost you five thousand dollars
Entailed: In the early 1980s, an IBM computer was only $5,000.
Contradiction: 30+ years ago, an IBM computer was only $100.
Contradiction: It's very rare and can't be found anywhere.
Contradiction: two girls are looking in microscopes
Contradiction: A young boy eats dinner.
Contradiction: The demand equations shown above are somewhat different from those normally encountered.