The two correct answers present in the stanza are:
- Assonance - The repetition of vowel sounds can be noted in words like "silly" and "simpering," as well as "neither" and "machine."
- Alliteration - The repetition of consonant sounds at the beginning of words can be observed in phrases like "silly, simpering" and "sellout."
Therefore, the correct answers are assonance and alliteration.