TASK DEFINITION: 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.
PROBLEM: salhad is one of the 51 union councils (sub-divisions) of abbottabad district in the khyber pakhtunkhwa province of pakistan.

SOLUTION: salhad

PROBLEM: causality is a way to describe how different events relate to one another.

SOLUTION: causality

PROBLEM: cartel de santa is a mexican hip hop group from santa catarina, nuevo león.

SOLUTION:
cartel de santa