Context: We just finished celebrating Ian 's birthday . Karl baked a huge mushroom lasagna and made creamed spinach and carrots vichy , plus we had a huge salad . Everyone was stuffed , and then we brought out the gingerbread cake with cream cheese frosting . It was all wonderful .

Question: What may be the reason Karl made the kind of food that he did ?
Options:
0. Ian is a vegetarian .
1. Ian only eats cream cheese .
2. Ian only eats lasagna .
3. Ian is a carnivore .
Answer: 0