Which of these defines rationalism ?

Is "they" an unstressed or stressed syllable?

My cat and my dog like best friends

1. a poem that tells a story irony 2. taking on human characteristics narrative 3. a direct comparison between two things personification 4. words that are opposite the thoughts in a speaker's mind simile 5. implied comparison introduced with "as" and "like idiom 6. one's own manner of speaking metaphor