Correct

戊

/ wù / 
Strokes

Definition

fifth of the ten Heavenly Stems 十天干[shí tiān gān]/fifth in order/letter "E" or Roman "V" in list "A, B, C", or "I, II, III" etc/penta

Example

As a Noun

wu ［fifth of of the ten Heavenly Stems（天干）］

As a Numeral

fifth