Translation of presentimiento

I grabbed a burger from an American fast food chain and swallowed it immediately, as I had not eaten for a while. I boarded the machine and could feel a slight stomachache but decided to ignore.
When we contacted you, our trainer was indeed for students only. We made some upgrades since then. Our site is now a vocabulary platform, because we support the creation of lessons by teachers and sharing.
About the accents: This is not a mistake, it is on purpose. Please note that in Spanish some words have accents when asked in a question (I.e que, porque, qui...). Pay attention to the question mark.