Consider this claim: People should avoid using undefined acronyms in formal correspondence. Which is the...

Consider this claim:
People should avoid using undefined acronyms in formal correspondence.
Which is the strongest evidence to support the claim?
1. Communication experts state that without explanation, acronyms may confuse, or even alienate, readers who are unfamiliar with their meaning.
2. According to Daria Hudson, a user posting on the Proper Prose message board, "Using acronyms is a lazy, unprofessional habit."
3. Acronyms are commonly used in publications for highly specialized fields, such as the medical, financial, and technology industries.