system
surprised: I thought that physics was gonna be a really simple class. Contrary to this, it was really tough and was one of the hardest I was in.
gpt
I really thought that physics was gonna be an easy class last semester.
human
Physics is an interesting subject, but it can get difficult to understand sometimes.
gpt
Agreed, since it was way harder than I anticipated.
human
Hopefully you won't have to take an additional Physics course in the future!