Based on the antonym context clue, what does the word optimistic mean?

Correct my question my english is not good: “what the effect and the effectiveness of strength exercise in breast cancer medication related to lymphedema? ”

What type of figurative language is used in this passage from "letter from birmingham jail"? just as the prophets of the eighth century b.c. left their villages and carried their "thus saith the lord" far beyond the boundaries of their hometowns, and just as the apostle paul left his village of tarsus and carried the gospel of jesus christ to the far corners of the greco roman world, so am i compelled to carry the gospel of freedom beyond my own hometown. allusion symbolism imagery metaphor

On one hand, i aspire to an ivy league vocation: 1 professor of the sciences in higher education. 2 but like noble amphibians that thrive on land and in the stream, 3 i've got another world of which i like to gladly dream. 4 some say that it's abnormal; my affections are exclusive. 5 in science, they say, emotions are something quite elusive. 6 line 3 exemplifies which kind of figurative language? a) hyperbole b) metaphor c) onomatopoeia d) simile