for check similarity of two sentences

[hesh jay]

hi,
I am second year undergraduate of University of Moratuwa,SriLanka.My second
year project I am doing Question answering system(Knowledge base).In this
project i have to suggest similar question perviously asked by other users.
I should find similarity of two Sentences in my application to suggest
those questions.can i do that using Apache Lucene?
Thank You!
regards,
Heshan jayasinghe