Answer:
Many definitions of language have been proposed. Henry Sweet, an English phonetician and language scholar, stated: “Language is the expression of ideas by means of speech-sounds combined into words.
Explanation:
The answer for this would be the individuals on the island would all appear very alike to individually or each other, and they may demonstrate uncharacteristically high incidences or manifestation of traits that are unusual in the universal human population.
What should happen next is, the police should notify Sean's parents or guardians.