MemberId	MemberName	ReferralId	MemberType
100	Ini	90	A
101	Thomas	100	A
102	Emi	100	A
103	Sandhya	100	C
104	Chris	101	A
105	Long	101	C
106	Tan	104	C
107	Pete	105	A
108	Bo	102	A
109	Will	102	C
110	Paul	103	A
111	Tim	103	C
112	Ravi	111	C
113	Sus	112	A