Anchor: One of the agency representatives indicated that the system overload problem could be solved by developing information retrieval systems ahead of time that would accommodate large traffic volumes.
Entailed:  One of the agency representatives indicated that the system overload problem could be solved by developing information retrieval systems
Contradiction: None of the agency representatives indicated that the system overload problem could be solved by developing information retrieval systems
Contradiction: Two women are working in a service tunnel.
Contradiction: they sit in the dark room
Contradiction: Two students are studying in the library.
Contradiction: The seaweed is near the woman.