It may be because she asked in a Kappa forum. Had she asked elsewhere, I may have thought both Kappa & Chi Omega.
However, and this is just me (and those that follow me on Facebook know) I'm very pro-Greek and it consumes a large part of my thinking due to what I do. Thus for me, someone posting on a Greek message board with a certain color, symbol, mascot, etc., my brain will automatically think Greek first, and school second. Unless they flat out say something to the contrary, nothing else will enter my brain.