Anchor: Many of these same itineraries can be covered on two wheels as well as on two feet, and mountain biking and bike touring are becoming more popular.
Entailed: One can cover the itineraries by bicycle or on foot.
Contradiction: The popularity of mountain biking is in decline.
Contradiction: You enter the Hagia Sophia through the portal on the left.
Contradiction: A group of men are currently outdoors working.
Contradiction: I hate Andy Griffith.
Contradiction: The man is outside on his bike