Anchor: Until the highway construction in the modern era, access to the jungle interior had been and in some cases, still is only by river.
Entailed: Some places in the jungle are still accessible only by river. 
Contradiction: Every place in the jungle is serviced by highways and large airports. 
Contradiction: A piece clearly confirms that China developed a technological advantage because its mandarin bureaucrats imposed useful regulations.
Contradiction: Key features had to be identified.
Contradiction: we are rolling on the ground
Contradiction: The Title V operating permit will not be finalized until the control device is tested for compliance.