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.

Example Input: inverness airport is an international airport at dalcross, 7 nautical miles (~8 miles or 13 km) north east of the city of inverness in the scottish highlands.
Example Output: inverness airport

Example Input: the african golden cat ("profelis aurata") is a medium-sized cat.
Example Output: african golden cat

Example Input: priay is a commune.
Example Output:
priay