Luke was still looking at his laptop without any expressions on his face. Sally was extremely nervous and worried, I could easily understand it by seeing her face. God! I have made both of them uncomfortable. What the hell have I done? I was feeling guilty to death... But I have to do something, right? We all can't just stay like this. Luke or Sally won't take initiative in breaking this awkward silence. So it is my duty. "So, shall we start?" I asked, looking at Luke. He didn't say anything, but he nodded his head slightly. So, I took one algorithm and started to explain it. After some time, Luke raised his head from his laptop, and he started to pay his full attention. His reaction made Sally a bit less nervous, and she also started to concentrate. Luke even started to ask questions

