その２つの答えのどちらか一方が正しい。

that (something or someone distant from the speaker, close to the listener; actions of the listener, or ideas expressed or understood by the listener); the; um...; er...; uh...

two

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

answer; reply; response; solution

which way; which direction; where; which one (esp. of two alternatives); who

indicates a question (sometimes rhetorical); or; whether or not; some- (e.g. something, someone); indicates doubt, uncertainty, etc.; emphatic prefix; suffix forming adjectives or adverbs; in that way

one (esp. of two); the other; one way; the other way; one direction; the other direction; one side; the other side; one party; the other party; on the one hand; on the other hand; whereas; although; but at the same time; meanwhile; in turn; just keeps; being inclined to ...; tending to be ...; tending to do ...; continuously ...; just keeps on ...ing; only

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

right; correct; proper; righteous; just; honest; truthful; lawful