Directions: Read the passage and answer the following question.

On what factor does a relationship depend?

Cooperation is an associative as well as basic process of social life. Without this society cannot exist. The mutual attraction between man and woman and the spirit of cooperation are at the root of human creation. Kinship relations depend on the mutual cooperation of family members and close relatives. Man's psychological, biological, social, cultural, economic and political needs inspire the members of the group for mutual cooperation. Rationality, self-control and the capacity to organize them are the necessary elements of cooperation.