With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Frank Ocean released the single Novacane.
text_B: Rosa omeiensis is a species of Rosa native to central and southwestern China in the provinces of Gansu , Guizhou , Hubei , Ningxia , Qinghai , Shaanxi , Sichuan , Xizang , and Yunnan ; it grows in mountains at altitudes of 700 to 4,400 m.. Rosa. Rose. China. China. Gansu. Gansu. Guizhou. Guizhou. Hubei. Hubei. Ningxia. Ningxia. Qinghai. Qinghai. Shaanxi. Shaanxi. Sichuan. Sichuan. Xizang. Xizang. Yunnan. Yunnan. It is a shrub growing to 4 m tall , often very spiny .. shrub. shrub. spiny. spine ( botany ). The leaves are deciduous , 3 -- 6 cm long , with 5-13 leaflets with a serrated margin .. leaves. leaf. deciduous. deciduous. leaflets. leaflet ( botany ). The flowers are 2.5-3 .5 cm diameter , white , with -LRB- unusually for a rose -RRB- only four petals .. The hips are red to orange-yellow , 8 -- 15 mm diameter , with persistent sepals , and often bristly .. hips. rose hip. There are four formae  :. formae. form ( botany ). Rosa omeiensis f. omeiensis .. Rosa. Rose. Rosa omeiensis f. glandulosa T.T.Yu & T.C.Ku .. Rosa. Rose. Rosa omeiensis f. paucijuga T.T.Yu & T.C.Ku .. Rosa. Rose. Rosa omeiensis f. pteracantha Rehder & E.H.Wilson .. Rosa. Rose. It is sometimes treated as a subspecies of the closely related species Rosa sericea .. Rosa. Rose. subspecies. subspecies. Rosa sericea. Rosa sericea
not_related.