Based on the concepts we've studied in class, what type of relationship would researchers call the relationship between 1) how charged a person's cellphone is and 2) the likelihood the person will pay back the loan on time. Big data has found this relationship to be very predictive, where low cellphone charge is predictive of fewer loan paybacks. But, this isn't a causal relationship, suggesting a third variable is causing both cellphone charge and loan payback patterns. So, what type of relationship is this one between cellphone charge and loan payback?

A) A harmonic relationship

B) A spurious relationship

C) An economic relationship

D) A Lambda relationship