premise: In college, I had some terrible professors.
initial: They did not know how to teach the students.
counterfactual: They knew many ways to teach the students.
original_ending: So, I learned to teach myself on my own. Instead of going to class, I went to the library and did exactly that. Teaching myself helped me get ahead of other students.
edited_ending: I also learned to teach myself on my own.I would go to class, and I went to the library to do exactly that.Teaching myself helped me get ahead of other students.<SEP>I also learned to teach myself on my own.Along with going to class, I went to the library and did exactly that.Teaching myself helped me get ahead of other students.<SEP>But none of them worked for me.Instead of going to class, I went to the library and taught myself.Teaching myself helped me get ahead of other students.