Anchor: As stated in section 4.4, the total duration for a PJFF retrofit is estimated to be anywhere from about 21 months to 26 months, including pre-contract effort and start up and commissioning.
Entailed: According to section 4.4, the total duration for a PJFF retrofit is between 21 and 26 months.  
Contradiction: Section 4.4 states that the total duration for a PJFF retrofit is about a month.  
Contradiction: After months of requests, the Berlin Philharmonic refused to allow IOC Vice President Kim Un Yong's daughter to rehearse with them.
Contradiction: The dog is making a hole.
Contradiction: The man is flying a plane.
Contradiction: There is a man with a stuff animal.