Idioms: Black sheep, Black swan, White Crow

A sudden and unprecedented economic collapse due to a global pandemic, like the one experienced in 2020 with the COVID-19 outbreak, is considered a(n)______________ event

 In a family of doctors, a child who chooses to pursue a career in art may be seen as a ___________ due to their unique choice compared to the rest of the family's profession.

Among a group of well-behaved students, there's always one troublemaker who constantly breaks the rules and causes disruptions in class. That student is often regarded as the __________of the group.

In a group of athletes known for their competitive spirit, Mia's kindness and empathy made her the _________.

Among the straight-A students, Mark was the _________, known for his rebellious attitude and disregard for rules