"I believe it should be, "the two were ***not***..."

But after this, when we observe the workplace visit, we need to ask about the probability of the workplace visit, given that the two were romantically attracted and that they visited a museum\. This might suggest that if two non\-attracted people visit a museum together for whatever reason, they don't just have the default probability of a non\-attracted couple of making a workplace visit\. In other words:

I believe it should be, "the two were not romantically attracted" as that is consistent with the formula below.