Anchor: This may lengthen the installation time slightly, but it will reduce crane rental fees.
Entailed: Crane rental fees can be lowered at the cost of greater installation times.
Contradiction: This will always reduce the installation time.
Contradiction: The child is in a snowy field.
Contradiction: A man is taking a walk.
Contradiction: A man is on the mountain.
Contradiction: There is a view point to access superb view of Tel Aviv.