Which one of the following is a rich source of protein

Cashew nut is one among the following is a rich source of protein.
It is a tropical evergreen tree that produces the cashew seed and the cashew apple accessory fruit. They're not only high in protein but also contain several important vitamins and minerals.
Raw cashews are 5% water, 30% carbohydrates, 44% fat and 18% protein. Cashews are rich sources of dietary minerals, including particularly copper, manganese, phosphorus, magnesium, and of thiamin, vitamin B6 and vitamin K. Iron, potassium, zinc, and selenium are also present in significant content.