In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
to divide by cutting or slicing, especially suddenly and forcibly.

* Sever means to divide, cut off, or slice through something suddenly and forcefully.
Detach means to unfasten and remove.

Bisect means to divide into two equal parts.

Dissect means to methodically cut up a body, part, or plant to study its internal parts.