Anchor: Think about seedless grapes or navel oranges--if there are no seeds, where did they come from?
Entailed: If seedless grapes and navel oranges do not have seeds we must investigate where they come from.
Contradiction: We need not ask where naval oranges and seedless grapes come from.
Contradiction: There are no museums explaining the history of Jerusalem.
Contradiction: We started a budget two years ago.
Contradiction: No dates are produced by the female palms.
Contradiction: The boys are sitting outside.