Which of the following statements best describes a functional dependency?

a$.$ The value of one or more attributes determines the value of one or more other attributes.

b$.$ The condition in which each row in the table is dependent on any subset of the key.

c$.$ The value of an attribute deternines the value of one on more other atributes.

d$.$ The data type of an attribute decermines the data ype of another atribute.