{"gt_parse": {"text_sequence": "ficant ly wa rme r than the e xternal t empe rature, protecting its cont ents in cold weather.Many c ommercial glass greenhouses or hothouses are hig h tech production facilities for vegetable s, flowers or fruits. The glass green houses are filled with equipment includi ng screening i nstallations, heating , cooling, lightin g, and may be controlled by a computer to opti mize conditions for p lant growth. Differe nt techniqu es are then used to evaluate o ptimality degr ees and comf ort ratio of greenhous es, such as air te mperature, relative hum idity and v apour-press ure deficit, i n order to red uce producti on risk prio"}}