Which word does NOT belong with the other? Car, Van, Bike, Potatoes

Which word does NOT belong with the other? Car, Van, Bike, Potatoes

کون سا لفظ دوسرے سے تعلق نہیں رکھتا؟
Explanation

"Potatoes" is a type of food.

While the car, van, and bike are modes of transportation.