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← Language & CommunicationA large language model generates an essay; if the model abruptly switches to discussing an unrelated subject mid-paragraph, which consequence most likely follows?
A)Increased vocabulary diversity manifests
B)Syntactic complexity score improves rapidly
C)Topical coherence score decreases sharply✓
D)Semantic saturation effects are amplified
💡 Explanation
Abrupt topic shifts disrupt the expected flow of related ideas; therefore, the topical coherence score decreases because the Latent Semantic Analysis mechanism reveals a lower relatedness between sentence embeddings, rather than vocabulary or syntax changes, given the context switch.
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