He had said he would cook dinner, but first he needed to what?
Options:
- hungry
- buy a kitchen
- buy food
- buy groceries
- eat food Let's think step by step:

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
Buying grocery is the first thing to be able to cook dinner. Dinner cant be cooked if you have npt bought grocery for it. So, the answer is buy groceries.