Context: Then we went over our neighbors ' house for dinner , where E 's friend S lives . It was a fun evening of salmon burgers , grilled veggies , and salads . E 's favorite part was blowing bubbles out of the big bucket of bubble juice . So much so that he really did n't want to stop to eat .

Question: What may be the reason they went to their neighbors for dinner ?
Options:
0. None of the above choices .
1. They were hungry and broke in demanding to be fed food .
2. They could smell the cooking and decided to invite themselves .
3. They were on good terms and were invited to come over .
Answer: 3