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Difficulty: Very hardEliminating Redundancy

Although early computer scientists predicted that machine translation would be a straightforward task, the nuances of human language proved incredibly complex. Modern translation software must parse idiomatic expressions that do not translate directly, which is a problem that poses a challenge because it is difficult for algorithms to resolve without contextual clues. Consequently, developers must integrate semantic analysis to help the software comprehend the underlying intent of the speaker.

Which choice is the most concise and grammatically correct option for the underlined portion of the passage?

  1. A
    , which is a problem that poses a challenge because it is difficult
  2. B
    , this is a challenge
  3. , a challengeAnswer
  4. D
    ; which is a challenge

Answer

The option containing ', a challenge'
The correct option, which replaces the underlined text with ', a challenge', is the most concise choice. It effectively eliminates the redundant repetition of 'problem,' 'challenge,' and 'difficult' while maintaining proper sentence structure by using a noun phrase appositive.

Step-by-Step Solution

1
Identify the redundancy in the underlined phrase.
The words 'problem,' 'challenge,' and 'difficult' all repeat the same idea of difficulty in a single clause.
Redundant synonyms should be eliminated to make the sentence concise.
2
Evaluate the grammar of the remaining options.
The option starting with '; which' creates a fragment since it follows a semicolon with a dependent clause. The option starting with ', this' creates a comma splice by joining two independent clauses with only a comma.
ACT English questions require that the correct concise option also be grammatically correct.
3
Select the option that is both concise and grammatically correct.
The option containing ', a challenge' correctly uses a comma to introduce a noun phrase appositive, resolving the redundancy without grammatical error.
This option meets all stylistic and grammatical requirements.

Key Concept

Eliminating Redundancy
Estimated Time:1m 0s
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Topics

Eliminating Redundancy

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