Cloze will automatically display keep-in-touch reminders on the Agenda. By default reminders will include all types of contacts including Coworkers.
If you wish to turn off Keep-in-Touch reminders for a Coworkers you can do so in Settings.
1.) Tap on More (...) in the lower right of your screen on mobile (iOS/Android) and lower left on cloze.com.
2.) Tap on Settings
3.) Scroll down to the Assistant section and tap on Smart Suggestions to expand the section.