Explain how stem changing ir verbs are different from stem changing ar and er verbs

It’s almost lunchtime and an exchange student from paraguay is asking for directions to the cafeteria. give them directions (using the phrases you learned in the tutorial) from your spanish class to the cafeteria. make sure that you include at least 4 commands that you learned in this unit, and if you need to, be creative with the route they will take (we won’t call your principal to verify). remember, the main goal is to practice directions vocabulary!

En la universidad mi prima lupe literatura. a. vas a estudiar b. van a estudiar c. va a estudiar d. vamos a estudiar

Ineed some one to translate this for my home work !