Final answer:
True In William Shakespeare's 'The Tempest,' the statement that Ariel warns Prospero of the trio's plot to take over the island is true, showcasing Ariel's loyalty to Prospero.
Step-by-step explanation:
The question pertains to a plot element in William Shakespeare's The Tempest. The true or false statement to be answered is "Ariel warns Prospero of the trio's plot?" Given that this specific event occurs in Shakespeare's original play, the answer is true.
Ariel is a spirit who faithfully serves Prospero, the rightful Duke of Milan, who has been stranded on an island with his daughter Miranda.
In The Tempest, Ariel informs Prospero of a plot by Caliban, Stephano, and Trinculo to kill Prospero and take control of the island. This act demonstrates Ariel's loyalty and plays a significant role in the unfolding of the story.