Diaspora studies is an academic field established in the late 20th century to study dispersed ethnic populations, which are often termed diaspora peoples. The usage of the term diaspora carries the connotation of forced resettlement, due to expulsion, coercion, slavery, racism, or war, especially nationalist conflicts.
Diaspora studies are very difficult and most students fail
A: It's impossible to say

Barry Redden (born July 21, 1960) is a former American football running back who played for the Los Angeles Rams, the San Diego Chargers, and the Cleveland Browns of the National Football League (NFL). He spent much of his career playing in the shadow of Pro Football Hall of Fame running back Eric Dickerson.
Barry Redden played in the same games as Eric Dickerson.
A: It's impossible to say

Dave Ward, born 12 July 1959, is a British Trade Unionist and General Secretary of the Communication Workers' Union (CWU), which was formed through the merger of the Union of Communication Workers and the National Communications Union in 1995. The CWU is the largest Trade Union in the United Kingdom for people working in the Postal and Telecommunications industry with over 200,000 members.
Dave ward is a fat man
A:
It's impossible to say