Build melodic lines that comply with the set musical framework.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
M:2/4
K:Bmin
|: Bc de | fg fe | d/c/B dc | B2 BA :: Bc de | fg af | fg ef | d2 dc | Bc de | fg fe | d/c/B dc | 
 B2 BA :|  