He was excitedly making bread with his sourdough starter, he watched intently as it began to rise inside the where?
Options:
- bread pan
- yeast
- to the top
- oven
- flour
Step-by-step reasoning process below:

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
Bread is put in oven to bake it. One can watch a bread rising in an oven. The answer: oven.