Final answer:
In sentence 12, 'What's cooking?', Grandma as a warm, care-oriented, and practical person, reflecting her interest in both family affairs and cooking as a form of nurturing.
Step-by-step explanation:
In sentence 12, Grandma uses the expression, "What's cooking?" This idiomatic expression usually means 'What's happening?' or 'What's going on?' but can relate to inquiring about what food is being prepared. The use of this phrase can characterize her as someone friendly, informal, and nurturing, likely interested in both her family's lives and their sustenance. It creates an image of a familial environment where cooking and sharing meals is a common way of bonding and showing care. Additionally, it could indicate that she is a practical person, grounded in the everyday activities that keep a family running smoothly, such as meal preparation.