Q: You are given a sentence in Hebrew. Your job is to translate the Hebrew sentence into Arabic.
(צחוק) אבל הנושא המרכזי של כנס היום זה המצאות.
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
(ضحك) لكن موضوع هذه الجلسه ، بالطبع ، هو الإختراع.