TASK DEFINITION: Classify the relation of question with context to one of these categories: 1) award received, 2) based on, collection, 3) conflict, 4) constellation, 5) convicted of, 6) date of death, 7) director, 8) drafted by, 9) educated at, 10) medical condition, 11) military branch, 12) narrative location, 13) occupation, 14) original network, 15) parent company, 16) point in time, 17) production company, 18) residence, 19) series, 20) service entry, 21) sex or gender, 22) spouse, 23) standards body question.
PROBLEM: Context : ``Cha-Ka'' is the first episode of the first season of the 1974 American television series Land of the Lost. 
Question : What is the series that Cha-Ka is a part of?

SOLUTION: series

PROBLEM: Context : Documentaries to Inspire Social Change, NFP (DISC) produced the film Sifuna Okwethu as part of the larger struggle to address severe land inequality in South Africa. 
Question : Which place does Sifuna Okwethu exist in?

SOLUTION: narrative location

PROBLEM: Context : H-2 Worker is a 1990 documentary film about the exploitation of Jamaican guest workers in Florida's sugar cane industry. 
Question : Which place is H-2 Worker in?

SOLUTION:
narrative location