Problem: Text: Shaving the head or cutting the hair extremely short can be used to control lice infestation. Short hair, baldness, or a shaven scalp are generally seen as a preventive measure against louse infestation. This will also eliminate -- particularly if maintained for the length of the parasites' reproductive cycle -- louse infestation.

Question: does shaving your head get rid of head lice?
A: yes

Problem: Text: The Burj Al Arab (Arabic: , Tower of the Arabs) is a luxury hotel located in Dubai, United Arab Emirates. It is the third tallest hotel in the world (although 39% of its total height is made up of non-occupiable space). Burj Al Arab stands on an artificial island 280 m (920 ft) from Jumeirah Beach and is connected to the mainland by a private curving bridge. The shape of the structure is designed to resemble the sail of a ship. It has a helipad near the roof at a height of 210 m (689 ft) above ground.

Question: is burj al arab the tallest hotel in the world?
A: no

Problem: Text: The de facto official language of the United Kingdom is English, which is spoken by approximately 59.8 million residents, or 98% of the population, over the age of three. An estimated 700,000 people speak Welsh in the UK, an official language in Wales and the only de jure official language in any part of the UK. Approximately 1.5 million people in the UK speak Scots--although there is debate as to whether this is a distinct language, or a variety of English.

Question: does the united kingdom have an official language?
A:
no