Construct melodies utilizing the provided motif and adhere to the outlined musical structure.
X:1
L:1/4
M:4/4
K:G
['B/A/B/c/ d G G A F G', 'B/A/B/c/ d G'  
X:1
L:1/4
M:4/4
K:G
 B/A/B/c/ d G | G A F G | E/F/ G D G | c B/G/ B A | B/A/B/c/ d G | G A F G | E/F/ G D G | 
 G/A/ F G2 :| F/E/F/G/ A D | D A A G | B/A/B/c/ d G | c B/G/ B A | B/A/B/c/ d G | G A F G | 
 E/F/ G D G | G/A/ F G2 :|  