Our new flatmate, Alex, just moved in. We've divided the chores among us. I'm responsible for cleaning the kitchen and taking out the recycling. Emily will vacuum the entire apartment and mop the floors. Alex's main duty is to keep the bathroom clean and tidy, and he also has to water the plants. Mark will do the grocery shopping.
What is Alex's main responsibility?
A) Cleaning the kitchen
B) Vacuuming the apartment
C) Keeping the bathroom clean
D) Doing the grocery shopping