With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Dysphonia lacks any phonation.
text_B: Dysphonia , one common form of which is referred to as hoarse voice , refers to dysfunction in the ability to produce voice .. voice. Human voice. For voice to be classified as `` dysphonic '' , abnormalities must be present in one or more vocal parameters  : pitch , loudness , quality , or variability .. voice. Human voice. Perceptually , dysphonia can be characterised by hoarse , breathy , harsh , or rough vocal qualities , but some kind of phonation remains .. phonation. phonation. Current prevalence rates suggest that dysphonia is higher in females and the elderly , however , it can be found in both sexes and across the lifespan .. Furthermore , certain occupational groups , such as teachers and singers , may be at increased risk for developing dysphonia .. Dysphonia can be categorized into two broad main types  : organic and functional .. The type of dysphonia is dependent on the cause of the pathology .. While the causes of dysphonia can be divided into five basic categories , all of them result in an interruption of the ability of the vocal folds to vibrate normally during exhalation , which affects the voice .. voice. Human voice. vocal folds. vocal folds. The assessment and diagnosis of dysphonia is done by a multidisciplinary team , and involves the use of a variety of subjective and objective measures , which look at both the quality of the voice as well as the physical state of the larynx.Multiple treatments have been developed to address organic and functional causes of dysphonia .. voice. Human voice. larynx. larynx. Dysphonia can be targeted through direct therapy , indirect therapy , medical treatments , and surgery .. Functional dysphonias may be treated through direct and indirect voice therapies , whereas surgeries are recommended for chronic , organic dysphonias .. voice. Human voice
related.