<human>: I recently moved in with some friends, and next door there's a couple with a young child. At first it seemed like they were down on their luck: the mom (Jen) works a shitty job in fast food and the dad (Dave) seems like a deadbeat -- drinks all the time, passes off the parenting to a cell phone or TV set. As I got to know Jen and her daughter, Chloe, more it seemed like there were more problems than just a shitty sperm donor.

A little while ago, we were sitting outside together (my roommates, myself, Jen, and Chloe) and Chloe was just chattering away as little girls do. Going on and on about makeup and how much she loves it, and how daddy told her this or that recently. I was only sort of paying attention until she started talking about how much she loved cover up and how some cover ups don't do a good job of covering everything -- why does a little girl need that? And why does she know so much about applying it? Jen doesn't wear a lot of makeup, so she didn't learn by watching her.

Then Chloe pulled her shirt down a little bit, revealing a HUGE bruise by her collarbone. It scared me shitless. I don't know what to do, because kids are clumsy and I don't want to assume the worst... But Jen and Dave are always screaming at the poor girl. Chloe is always screaming at her parents and crying most days. 

The most complicated part is Jen and Chloe are related to my landlord. I think Jen is the granddaughter? Or other close relation? I don't know how to contact CPS anonymously and is a single bruise, crying, and a strong gut feeling enough of a reason to call? I know that kids are clumsy, shit I have bruises I can't explain! Kids are also loud and cry over the most random things. I don't want to create tension when there's no reason to.

Jen loves her daughter, that I can tell, but Dave doesn't really go outside or interact with us in any way so I just don't know.

Summarize the given text in a few sentences.
<bot>: I think my neighbors are abusive to their daughter, but I don't think I have enough evidence to go to CPS and I don't want to create unwarranted conflict