With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: American citizen Andre Agassi played tennis.
text_B: In medicine and allied fields , diathesis -LRB- from Greek διαθεσις -RRB- is a hereditary or constitutional predisposition to a disease or other disorder .. Atopic diathesis is a predisposition to develop one or more of hay fever , allergic rhinitis , bronchial asthma , or atopic dermatitis .. hay fever. hay fever. allergic rhinitis. allergic rhinitis. bronchial asthma. bronchial asthma. atopic dermatitis. atopic dermatitis
not_related.