Your mission is to help her and this means to feed her and to help her to born so firstly you have to start with feeding her. You have three buckets in the bottom of the game screen which consists typical food for mares and her favorite food. There are some apples, carrots and some kind of vegetables or herbs and a bucket full of fresh and cold water. After she tastes each bucket she needs to have a water break so you have to be patient with her and to fulfill every her wish when she is pregnant. After you feed the Rainbow Dash your mission gets a little bit more complicated because now you must help the helpless mare to give birth to her future new born baby so pay attention and be responsible and have fun in the same time!