Which sentence demonstrates correct use of the semicolon?
A)There have been many accidents during airshows for example; last year the wind toppled a tent and equipment on top of bystanders.
B) There have been many accidents during airshows; for example, last year the wind toppled a tent and equipment on top of bystanders.
C) There have been many accidents during airshows for example, last year; the wind toppled a tent and equipment on top of bystanders.
D) There have been many accidents; during airshows for example, last year the wind toppled a tent and equipment on top of bystanders.