Construct melodies utilizing the provided motif and adhere to the outlined musical structure.
X:1
L:1/8
Q:1/2=80
M:4/4
K:F
['A>B c>=Bc>B c>fe>f c2 A2 A2 A>c', 'c>B A>fc>f A>fc>f'  
X:1
L:1/8
Q:1/2=80
M:4/4
K:F
 A>B | c>=Bc>B c>fe>f | c2 A2 A2 A>c | B>cB>c A>cF>A | G2 C2 C2 A>B | c>=Bc>B c>fe>f | 
 c2 A2 A2 A>c | B>cB>c A>cG>c | A2 F2 F2 :: c>B | A>fc>f A>fc>f | d2 B2 B2{d} c>B | A>fe>f a>fe>f | 
 g2 c2 c2 c>B | A>fc>f A>fc>f | B>fd>f B>fd>f | e>fg>a b>ab>g | a2 f2 f2 :|  