Anchor: A man with a guitar and a man with an accordion sit playing their instruments.
Entailed: A man having guitar,accordion and playing their instruments.
Contradiction: Man making instruments
Contradiction: But I completely buy it.
Contradiction: You end up with more energy from oil with this process. 
Contradiction: Someone is riding a bicycle.
Contradiction: At the Vistors' Center, you can learn about various aspects of the region and go to the look-out point.