With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: An additional attribute other than the surrogate is needed for each object to be uniquely identified .
text_B: Since there may be several objects in the database corresponding to a single surrogate , we can not use the surrogate as a primary key for each object ; a further attribute is required , in addition to the surrogate , to uniquely identify each object .
SUPPORTS.