Which of these crops is not an oil crop?

Oil crops are usually called oilseed crops from which edible oil or industrial oil can be extracted.
Some familiar examples of Oil crops are sunflower oil, and sesame oil, peanut oil, mustard oil, etc. while rice, wheat, millets are an example of cereal crops.

• Mustard:
Mustard is the oilseed crop.
Mustard seeds are excellent sources of selenium and magnesium.
Alluvial loam is the best soil for mustard cultivation.
Mustard oil is edible oil which is used for cooking In India.

• Sesame:
Sesame seeds are a good source of proteins, B vitamins and antioxidants.
Sesame oil is used for both cooking and medicinal purposes.
Sesame is mostly grown in sandy loam soils.

• Peanuts:
They are a good source of proteins, potassium, phosphorous, magnesium, and B vitamins.
Peanut oil also referred to as Groundnut oil is a type of vegetable oil mostly used in cooking.
Peanut is well grown in well-drained sandy loam soil.

• Millets:
Millets are cereal crops.
They are a great source of proteins, fibre, vitamins and minerals.
Millets are grown in clay loam or sandy loam soils.