Read the following context and choose the best option to answer the question.
Context: She 's actually a border collie / boxer mix , although the boxer side is n't showing up much at this point . She 's scary smart , and she 's also determined that whither I goest , she will go . Her favorite spot to sleep is on top of my foot , particularly when I ' m trying to move around the kitchen to fix a meal .
Question: Why does the dog sleep on her foot ?
Options: 
- None of the above choices .
 - She likes to be touching her person .
 - She wants to eat .
 - She wants her to stay still .


She likes to be touching her person .