Anchor: Hence, a product called fireplace gas valve safety covers, whose purpose was too obscure for me to understand, and the VCR Lock, which, according to the packaging, prevents child from inserting objects into cassette opening.
Entailed: There are safety measures to prevent children from interacting with products.
Contradiction: There are no safety measures for children on cassettes.
Contradiction: Children took the barrel away.
Contradiction: We travel to New Orleans multiple times a year.
Contradiction: someone using a microscope is working on something really big
Contradiction: Big businesses have attempted to exploit the area's natural resources in the past.