Match the word-formation processes in Column I with the examples in Column II.
COLUMN I
1.Derivation.
2.Compounding.
3.Conversion.
4.Blending.
COLUMN II
(   ) The noun email being used as a verb in Please email the document tonight.
(   ) The formation of unpredictability through the addition of affixes to a lexical base.
(   ) The formation of brunch from elements of breakfast and lunch.
(   ) The formation of classroom through the combination of two independent lexical bases.
The correct sequence, from top to bottom, is: