Generate a topic word for the given sentence. A topic word is usually the name of a person, place, animal, concept or object the sentence is focusing on.

Input: Consider Input: a nature reserve (preserve or (national/nature) conserve) is a protected area.

Output: nature reserve


Input: Consider Input: sandy gandhi (born sandra aranha; 28 january 1958 – 1 february 2017) was an australian comedian and columnist.

Output: sandy gandhi


Input: Consider Input: jonathan cainer (18 december 1957 – 2 may 2016) was a british astrologer.


Output: jonathan cainer