What does Lulu do on Wednesdays?

Brief Explanation:

Step-by-step Solution:

1. Step 1: Identify the column for 'WED' (Wednesday).
2. Step 2: Check the 'drink milk' row; there's a checkmark.
3. Step 3: Check the 'play tennis' row; there's a checkmark.
4. Step 4: Check the 'watch cartoons' row; there's no checkmark.
5. Step 5: Check the 'eat vegetables' row; there's a checkmark.
6. Step 6: Check the 'read a story' row; there's no checkmark.

Answer: Lulu drinks milk, plays tennis, and eats vegetables on Wednesdays.