Anchor: If the discovery is what it appears to be, the inside of Mars may still be full of them.
Entailed: The discovery could mean that Mars has a lot of them.
Contradiction: The discovery does not point to anything about Mars.
Contradiction: Three vikings are eating hamburgers.
Contradiction: A lady is in a school.
Contradiction: I live in Europe
Contradiction: We have recycled glass for a while now.