At one point , we ran into a couple coming down from the glacier who were from Lubbock , TX . They saw Pat 's UT shirt and gave us the hook ' em horns sign . We started talking and they told us how great it was at the glacier .

Question: What is the narrator , their friend and the stranger bonding over ?
Answer: None of the above choices .A university .Scaling a glacier .An interest in longhorn beef .