3. The method of claim 2 , wherein selecting, from among the identified entities associated with (i) the search queries or (ii) the pairs that each comprise a search query and an answer that a search engine generates in response to the search query, a particular entity based at least on the identified plurality of acoustic parameters comprising two or more of volume, pitch, frequency, duration between each spoken word, and spoken duration of words or phrases comprises: selecting the particular entity based at least on the stress score for the pronoun.
3. The method of claim 2 , wherein selecting, from among the identified entities associated with (i) the search queries or (ii) the pairs that each comprise a search query and an answer that a search engine generates in response to the search query, a particular entity based at least on the identified plurality of acoustic parameters comprising two or more of volume, pitch, frequency, duration between each spoken word, and spoken duration of words or phrases comprises: selecting the particular entity based at least on the stress score for the pronoun. 4. The method of claim 3 , wherein selecting the particular entity based at least on the stress score for the pronoun comprises: determining whether the stress score for the pronoun satisfies a predetermined threshold; and in response to determining that the stress score for the pronoun satisfies the predetermined threshold, selecting a most recently identified entity.