Conversation so far:
what happened in to vanilla ice in 1985?
In 1985, he was focusing all of his energy on motocross.
what is his career based on?
his dance moves.
did he win anything in 1985?
Ice used his beatboxing and breakdancing skills as a street performer.
did he sign contract with any company?
signed a contract with the owner of City Lights.
What happened in 1987?
In January 1987, Ice was stabbed five times during a scuffle outside of City Lights.
any notable person in the article?
Suge Knight.

Question: did he has any injury during this time?
Self-contained rewrite: Did Vanilla Ice get injured?