She used to have a little duckling that quacked like that and she loved it . So far she is taking the duck with her when she goes into the kitchen to eat and she has tried taking it to bed with her . She even runs to it when I ask " Where 's the bunny ? "

Based on the preceding passage, choose your answer for question Why do they run to the duck instead of the bunny ?
Options are:
1). None of the above choices .
2). They think the bunny is a duck .
3). They want to confuse them .
4). They do n't like bunnies , they like ducks .
The answer is:
1).