In this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer to an entity, date, number, etc. Do not put your answer in the context of a sentence.

Input: Consider Input: Where does implantation of the blastocyst take place?

Output: wall of the uterus


Input: Consider Input: When was the first battle of panipath fought?

Output: 21 April 1526


Input: Consider Input: Where are sister chromatids attached to one another?


Output: common centromere