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: summerslam (2001) was a professional wrestling pay-per-view show made by world wrestling federation (wwf).

Output: summerslam (2001)

Input: Consider Input: be careful with my heart is a philippine television drama series.

Output: be careful with my heart

Input: Consider Input: ordinary language philosophy is a way of doing philosophy that uses ordinary, everyday words.
Output: ordinary language philosophy