How can I respond to Christians' unpleasant feedback on Buddhism?

I have some friends who are Christian that I can't avoid the subject with. We used to see each other very often for some events. Normally those are friends of friends. Examples of the unpleasant feedback I commonly receive include things like "Buddha is Satan", "Buddha is in hell" and "All Buddhist shall go to hell". There are many other examples and by - for example - searching YouTube, you'll find more than enough examples. I am looking for some efficient and effective response to avoid this unfruitful conversation and prevent more unpleasant conversation that won't benefit anyone. It's better to have a compassionate discussions instead. Below are some responses that I came up with: 1. Oh my God? So far Buddha didn't do me any harm me yet. I will be taking extra precautions for this. Thanks for the concern. 2. Oh my God? My understanding, based on personally hearing the story from both sides, is that roughly 80% of the teachings of Christianity have a counterpart in Buddhism which has a similar interpretation. How come Satan is teaching the same morals as God? 3. Oh my God? Where in the Bible is it written so? 4. I felt hurt that you say Buddha is Satan. In a few cases they will insist to talk on this and ignore my feeling. Not sure they feel righteous to say so on their side? 5. Oh my God. Can I excuse myself to wash room for some emergency? If talk again and go again. Post notes: Thanks guys, there is a chat discussion regarding this with another Christian. If you are interested, let me know and I will add you. I do respect Jesus and Buddha a lot and I hope there is no comment that leads to a battlefield. I will keep my sincere prayers for forgiveness from Jesus and others too if there is unpleasant feeling to others too due to this questions. Really sorry folks.