Complete the lookup expression. The lookup should output IP, EMAIL, and DEPT values as ip, email, and dept. These lookup output fields should overwrite existing fields. | lookup newEmployees.csv USERNAME as Username
a) | lookup newEmployees.csv USERNAME as Username OUTPUT lower(IP,EMAIL,DEPT)
b) | lookup newEmployees.csv USERNAME as Username OUTPUT IP as ip, EMAIL as email, DEPT as dept
c) | lookup newEmployees.csv USERNAME as Username OUTPUTNEW lower(IP,EMAIL,DEPT)
d) | lookup newEmployees.csv USERNAME as Username OUTPUTNEW IP as ip, EMAIL as email, DEPT as dept
b) | lookup newEmployees.csv USERNAME as Username OUTPUT IP as ip, EMAIL as email, DEPT as dept