Are small groups of friends who know each other well, do things together, and form a regular social group; in contrast, are larger, reputation-based groups who are not necessarily friends and do not usually spend much time together.

The first sentence described above are crowds as they are large group of people who come together or form a reputation based group even though they are not friends whereas the correct answer on the following sentence is cliques as it is described as a small group of friends that are linked together because of their closeness and how they know each other.