First, this is not my class. Second, there are mistakes, it was written by a Peruvian learning English, what do you expect? Hilarity of course,
One day Katty was walking on the park, then she saw Carlos, but he was sad.
She invited him a icecream and they started to talk about yours btes. So she discovered that Carlos was sad because his mom traveled to U.S.A.
She tried help him, but he was very sad, so she invited him to amusement park and they played all the afternoon.
Then they return to home of Katty and on the street a car crash them and they died.