Whose "Ode on a Grecian Urn" concludes that "Beauty is truth, truth beauty"?

How does “Poor Boy Blues” end?

What will be an ideal response?

Bethany felt horrible after she screamed at her boyfriend for being late for their date, and even though she apologized, she knew she couldn't take back what was said. Bethany cannot take back her words because communication is __________.

Fill in the blank(s) with the appropriate word(s).