<human>: How do you do this: Make anti theft lunch bags that can prevent your lunch from being stolen or tasted.

OPTIONS:
- Dribble a small amount of green colored mold inside the bag to make it appear as if there is mold growing on your sandwich, people will be so grossed out they won't bother your food.
- Dribble a small amount of green food coloring on the bag to make it appear as if there is mold growing on your sandwich, people will be so grossed out they won't bother your food.
<bot>: Dribble a small amount of green food coloring on the bag to make it appear as if there is mold growing on your sandwich, people will be so grossed out they won't bother your food.