Which linguistic phenomenon is specifically targeted by advanced sentiment analysis tools to better understand the true meaning behind product reviews?

Product reviews contain fascinating linguistic patterns that companies analyze to improve their offerings. The language used in reviews provides insights beyond simple ratings, revealing cultural trends, emotional responses, and shifting consumer priorities. Sophisticated sentiment analysis tools now examine everything from word choice to syntax. How well do you know the linguistic science behind product review analysis?

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Semantic prosody (the emotional associations that certain words carry beyond their literal meaning)
Phonological assimilation (how sounds blend together when words are spoken quickly)
Morphological derivation (the process of forming new words through prefixes and suffixes)
Syntactic parallelism (repeated grammatical structures for emphasis)