story: The other day my girlfriend asked me to rake the leaves. I really hate raking leaves, but I told her I would do it. I forgot I to do it that day. She was really mad at me for forgetting. I made it up to her by raking the leaves and baking her cookies.
 selected sentence: I really hate raking leaves, but I told her I would do it.
I tell my girlfriend I will rake the leaves >Causes> I feel(s) obligated