This is an "object to category" relationship.
Dog belongs to the category "mammal," and snake belongs to the category "reptile."
The answer is Emila Earhart
The answer to your question is B
You didn't put the multiple choice.
A. clarity
B. harmony
C. depth
D. zeal
but the answer would be C. depth.
profundity means
deep insight; great depth of knowledge or thought.