Formula required for comparing multiple colums to multiple colums

Hi,

I wonder if someone could help me??? Im pulling my hair out!!!

I am trying to compare multiple columns to multilpe columns. I have attached a spreadsheet which has 2 tabs (Software and CTI). I want to compare columns A, B and C in the Software tab to columns A, B and C in the CTI tab. The results need to be populated in columns E, F and G in the Software tab. The results in the latter columns should be the correct text, e.g.

Column A Column B Column C | Column E Column F Column G

Software Clothing NSM Monitoring Software Clothing NSM Monitoring


Thanks