Which of the following parts of the tongue detects the taste of tamarind?

Tamarind, also known as imli, is a popular food item used widely across Indian kitchens. It is extremely sour and is added to different kinds of dishes to make it tasty. Since it is sour, and as we know the taste buds of a particular area of the tongue are sensitive to certain kinds of tastes, the sides of a tongue can detect the tamarind's flavour.