[general]
clues =
  Tonya's pair cost $200.
  The size 7 set was either the $170 pair or the Cormano footwear.
  The size 5 set was either the $140 pair or the $125 pair.
  Of Whitney's pair and the Schtillet footwear, one was a size 4 and the other cost $200.
  Estelle's pair was 1 size larger than the $140 pair.
  Estelle's pair was by Abbott Hill.

subject =
 pair, set, footwear

axes = sizes, customers, brands, prices

[sizes]
choices = 4, 5, 6, 7
type = int
alts = size

[customers]
choices = estelle, olive, tonya, whitney
type = name

[brands]
choices = abbott hill, cormano, schtillet, tinghill
type = name

[prices]
choices = 125, 140, 170, 200
type = dollar