next question: Birds sometimes do what to each other to establish dominance?
Options:
- sky
- mate
- hatch
- forest
- peck
reasoning:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Animals fight each other to establish dominance. Birds are animals. Pecking is the way of fighting in birds. The answer is peck.