Four children (Sam, Inez, Mahmoud and
Katrina) are running a race. They are each
wearing a distinctive article of clothing (a
red shirt, a hat, sunglasses and a scarf).
Consider the following statements:
The child wearing a red shirt finished
before Sam but after the child wearing a
hat.
Katrina is wearing sunglasses.
The child wearing a scarf finished the race
last.
Inez finished the race before the person
wearing sunglasses.
Mahmoud is not wearing a hat.
Who won the race?