The correct answer is aquella, because we would use the word if there was a difference in the distance. Like if you were in the right corner of a room, and the guitar was at the left corner of the room. And another reason is because aquella is feminine and in spanish, guitar is feminine.
Nosotras. You can tell because of the conjugation of the word pensamos.
The words you need, quickly and easily Especially designed for beginning learners, this dictionary will help you master the essential words of Spanish. Inside you'll find entries that include pronunciations and grammatical information in a clear, easy-to-understand format, as well as helpful example sentences to show each word in everyday context.
Good luck ! Let me know if it’s the right one