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: dominique dropsy (9 december 1951 – 7 october 2015) was a french footballer.

Output: dominique dropsy


Input: Consider Input: he wrote under the pen name d. h. lawrence.

Output: d. h. lawrence


Input: Consider Input: the water strider (also known as the pond skater) is a true bug, an insect of the family gerridae.


Output: water strider