The cat chases the tiger. The cow needs the tiger. The tiger is big. If someone needs the cow and the cow chases the tiger then they need the cat. If someone chases the tiger and they are big then they see the cow. If the cat sees the cow then the cow sees the cat.
The cow does not need the cat.
@0: The cat chases the tiger.[(triple1)] The cow needs the tiger.[(triple2)] The tiger is big.[(triple3)]