Select the option in which the pair of letter-clusters share the same relationship as that shared by the given pair of letter-clusters.
TRACK ∶ IAYPR ∶∶ ?
1
PROUD ∶ NPMSB
2
STRAW ∶ UYPRQ
3
POLDY ∶ WBJQN
4
GAMES ∶ UGOCE
Select the option in which the pair of letter-clusters share the same relationship as that shared by the given pair of letter-clusters.
TRACK ∶ IAYPR ∶∶ ?