25 people were surveyed about brands A, B and C.
• 6 people liked A and B.
• 7 people liked B but not A.
• 2 people liked all three brands.
• 7 people liked B and C.
• 3 people liked A and C but not B.
• 5 people liked A only.
• 15 people disliked C.
A. How many people liked B only?
B. How many people liked C but not A?