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.

[EX Q]: a standing start is a type of start in auto racing events where cars are standing still when the race begins.
[EX A]: standing start

[EX Q]: be careful with my heart is a philippine television drama series.
[EX A]: be careful with my heart

[EX Q]: loneliness is a sad emotion that a person can feel if they are isolated or feel a sense of lack of friends and family members.
[EX A]:
loneliness