Which transformation types should you use?

You are creating a SQL Server Integration Services (SSIS) package to retrieve product data
from two different sources. One source is hosted in a SQL Azure database. Each source
contains products for different distributors.
Products for each distributor source must be combined for insertion into a single product
table destination.
You need to select the appropriate data flow transformation to meet this requirement.
Which transformation types should you use? (Each correct answer presents a complete
solution. Choose all that apply.)

A.
Multicast

B.
Merge Join

C.
Term Extraction

D.
union All

E.
Merge

Explanation:
http://msdn.microsoft.com/en-us/library/ms141703.aspx
http://msdn.microsoft.com/en-us/library/ms141775.aspx
http://msdn.microsoft.com/en-us/library/ms141020.aspx
http://msdn.microsoft.com/en-us/library/ms141809.aspx
http://msdn.microsoft.com/en-us/library/ms137701.aspx