What is a valid request for the following REST method? (Choose two.)

What is a valid request for the following REST method? (Choose two.)

@HttpPost global static void myPostMethod(String si, Integer il, Boolean bl, String 52)
A . <request> <sl>my first string</sl> <ll>123</il> <32>my second string</32> <bl>false</bl> </request>
B . <request> <sl>"my first string"</sl> <il>123</il> <sZ>!,my second string"</32> <bl>false</bl> </request>
C . si" : "my first string", 11" : "123", "bl" : "false", "S2" : "my second string"
D . il" : 123, "SI" : "my first string", "S2" : "my second string", "bl" : false

Answer: B,D