Answer:
dark grey, relational
Step-by-step explanation:
Relational learning: In psychology, the term "relational learning" is described as one of the different forms of learning that occurs in the context where there's a possibility of a relationship that exists between learning examples or where the given examples might have a "complex" internal structure i.e, possesses various components and there's a possibility of having a relationship between mentioned components.
In the question above, the given statement signifies the relational learning.