With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Respiratory disease can be classified by the cause of the disease and the organ or tissue involved.
text_B: Mostyn Hall is a large house standing in 25 acres -LRB- 10 hectares -RRB- of garden near the village of Mostyn , Flintshire , Wales .. Mostyn. Mostyn. Flintshire. Flintshire. It is designated by Cadw as a Grade I listed building .. Cadw. Cadw. listed building. listed building. It is not known for how long a building has been present on the site , but the great hall is thought to have been built by 1470 .. The house was substantially upgraded in 1631-2 by Roger and Mary Mostyn , descendants of Ieuan Fychan , whose grandson had adopted the Mostyn surname .. Mostyn. Mostyn. Since 1660 the hall has been the seat of the Mostyn Baronets , and since 1831 , of the barons Mostyn .. Mostyn. Mostyn. Mostyn Baronets. Mostyn Baronets. barons Mostyn. Baron Mostyn. In the 1840s the 1st Baron Mostyn commissioned architect Ambrose Poynter to remodel the house , which was carried out mainly in 1846 -- 47 in a Jacobean style inspired by the pre-existing building .. Mostyn. Mostyn. Ambrose Poynter. Ambrose Poynter. Jacobean. Jacobean architecture. Porth Mawr is a Grade I listed former Tudor gatehouse block to the south west of the house which dates from 1570 .. Ornamental entrance gates leading to the house were designed in early 18th-century Baroque style by the Chester architect John Douglas and constructed by James Swindley in 1896 .. Baroque. Baroque architecture. Chester. Chester. John Douglas. John Douglas ( architect ). The gates , the associated piers and the bridge nearby are designated as a Grade II listed building .. listed building. listed building. piers. pier ( architecture ). The hall is still in the hands of the Mostyn family .. Mostyn. Mostyn. Since 2014 it has been open to the public on a limited number of days in the year .. The GWR Hall Class locomotive no. 5985 was named after the hall .. GWR Hall Class. GWR 4900 Class
not_related.