Question: what is black hairy tongue disease I found the following answer on Google: Black hairy tongue (BHT, also termed lingua villosa nigra) refers to a condition of the tongue where the filiform papillae elongate with black or brown discoloration, giving a black and hairy appearance. Is that a correct answer? Yes or no.
Yes

Question: when will ie9 be released I found the following answer on Google: Internet Explorer 9 is the last version of Internet Explorer to be supported on Windows Vista. Is that a correct answer? Yes or no.
No

Question: what is the singer Stevie Wonders full name I found the following answer on Google: In 2009, Wonder was named a United Nations Messenger of Peace . Is that a correct answer? Yes or no.
No