<human>: Can you summarize the given text in a few sentences?

We are three foreign women living in Jerusalem. We live on a campus but security is kind of lax here. 

Two weeks ago we had a strong heat wave and my roommates decided to leave the front door open for most days. I didn't say anything for a few days-hoping it would just stop. It did not. So one day the front door was wide open at 9:45 in the evening and I decided to speak to them about this.

I asked them what they would do if someone entered intending to harm them or with a weapon. The younger roommate asked if this was a serious question or a "mad" one. I said it was a realistic question. She said that she would scream and others would hear her and help her. I didn't know what to say to that. Then she started talking about how hot its been. So I said "So get a fan-in fact I'll pay for half the cost". The younger roommate said "No-it's not about the money".

It has been cooler and the door has been closed (I've been locking the door to my room). However, this roommate refuses to speak to me now. Any time I say morning or good night or thank you she will not say anything back, she will look away and nod her head awkwardly. She is in my small graduate program and I suspect she has been talking behind my back-which I can do nothing about. Last night even on my way back from a night out, I ran into her and friends eating on the lawn outside and I asked how they were, we talked about our evenings. Still she did not even look at me or say anything to me, not even good night.

It will only get hotter, and I assume this problem will return. I'm making plans to move out. I'm just kind of hoping there is something I can do-beyond being civil and asking her twice (directly) if there's anything we should talk about. Thanks
<bot>: Roommate does not speak to me after I ask her to keep the front door closed. My only option is to move out right?