Which one of these is an example of an open-ended question

What is the name of the song released by the artist "owl city" in 2009 as a hit single? (it was also one of the dankest memes of 2017)

There’s a one story house everything’s purple , the sofa the walls everything what color is the stairs

Discussion board 5 - the romantir areanocturne, op. 9 no 2 solo piano - chopin (peatured listening p 778)when you listen to this piece, what does it make you think of and how does it make you feel? what do you think "nocturne" means? is that an appropriate title for this piece? the piano uses rubato throughout - what effect does that have on the performance? do you think the use of rubato enhances the performance, or would you rather hear a steadybeat throughout the piece? after you post your answer, read and respond to the posts of at least two other classmates.