Anchor: Editor's  Several errors in this piece as originally posted have been corrected.
Entailed: The errors have been fixed.
Contradiction: The errors weren't fixed.
Contradiction: We work with mud and earth collected on Mars.
Contradiction: Sinai was returned in 1973, resulting in the restoration of national pride. 
Contradiction: A white dog is dry.
Contradiction: A dog jumps at another dog.