Anchor: Sixteenth-century mapmakers back in Spain mistakenly confused the names, so that in the end the port became San Juan and the whole island was called a rich port ; once on the maps, the names stuck.
Entailed: The name stuck once it had been placed on the maps.
Contradiction: The island was originally named Puerto Rico, but it was renamed San Juan in 1963.
Contradiction: Nothing was used to determine the pay gap, they just guessed. 
Contradiction: On your way you can stop and see Srirangapatnam and Somnathpur.
Contradiction: Auditors can ignore information or evidence of noncompliance.
Contradiction: The woman attends the graduation ceremony.