Classify each of the following as Supervised Learning or Unsupervised Learning:

a$)$ Instagram training an algorithm on a dataset of images without any labels to categorize them into different genres.

b$)$ Chase developing a system to detect fraudulent transactions using a dataset where each transaction is labeled as "fraudulent" or "legitimate".

c$)$ Amazon using an algorithm to segment a customer base into different groups based on purchasing patterns, without any prior labeling.

d$)$ Analyzing TikTok activity to identify new trends that nobody is aware of yet.

e$)$ Training a Netflix algorithm to categorize movies into genres like "comedy" or "drama" based on a dataset where each movie is already labeled with its genre.

f$)$ Developing a Google Photos feature to automatically tag and sort photos based on recognized landmarks and faces, using labeled images.