Socinator gives you an ability to filter the groups based on your required filters so that your accounts interact with only the specifically targeted users.
Below are the available group filters for Facebook:
Group type: If this filter is checked, Socinator will perform actions only with the groups which are public and private.
Groups joined By My friends: If this filter is checked, Socinator will perform actions only with the groups which are joined by account’s friends.
Groups which have Members range Between X And Y:If this filter is checked, Socinator will perform actions only with the groups which are having comment members in a specific range.