Which is the purpose of the ciudad en movimiento festival?
1. to bring dance to the people and streets
2. to spread the benefits of physical fitness through the city
3. to encourage a city-wide cleanup effort
4. to showcase local singers

This festival might be found in Cuba. it brings professional and amateur dancer from all over the world to perform in the streets. So the correct option should be A " To bring dance to the people and streets". It had its origins as a reaction to the difficult economic times where theaters were closing, thus people went out to the street for dance to survive. 

Pedro, josie, y heather fue a la quinceañera de virginia. the question is asking who went to the quinceañera. the person answering the question should answer using the ellos, ellas, and ustedes form if they were not part of that group of people.