Phát biểu nào sau đây có entailment đúng?

A. The sense of an expression is its relationship to semantically equivalent or semantically related expressions in the same language.

B. If two expressions have the same reference, they always have the same sense.

C. All words in a language may have reference, but only some words may have sense.

D. The sense of an expression is a relationship between a particular object in the world and an utterance.

A. Lexically ambiguous

B. Structurally ambiguous

C. An analytic sentence

D. All of the above

A. Indefinite article "a" + NP

B. A certain + NP

C. Definite article "the" + NP

D. Bare NP

A. John and Mary love each other. Mary and Tom love each other.

B. Visiting relatives can be boring. It can be boring to visit relatives.

C. Bill killed Tom. Tom died.

D. Tom loves Mary. Mary loves Tom.

A. Its two senses (of our planet and of soil) both contain the concept of land.

B. "Earth" (of our planet) and "earth" (of soil) are identical in pronunciation.

C. "Earth" (of our planet) and "earth" (of soil) are identical in spelling.

D. None of the above.

A. One-place predicate

B. Two-place predicate

C. Three-place predicate

D. None of the above

A. They describe the same relationship when mentioned in the opposite order.

B. Between them, they exhaust all the relevant possibilities.

C. Both "pass" and "fail" belong to the open-ended English achievement system.

D. These two predicates are at opposite ends of a continuous scale of values.