A program has $5,000$ students enrolled and you would like to sample some members. You have access to the following data on each of the $5000$ students: BIRTH MONTH $($month born$),$ BIRTH YEAR $($year they were born$),$ TOWN $($town or city they are from$),$ HIGH SCHOOL $($Name of the High school graduated from$),$ CLASS SIZE $($number of students in their HS graduating class$),$ FNAME $($their first name$)$ LNAME $($their last name$),$ MAJOR $($what their major in college is$)$ and ID $($a five digit number between $00000$ and $99999$ assigned to each student as their student ID$).$ Describe how to find a cluster and a convenience sample using the data you have.

a$.$ Cluster sample

b$.$ Convenience sample