Jason is shorter than Helen, and Christopher is taller than Dave. Which of the following is true if Helen is taller than Christopher?

MCheetah
Taken from an IQ test.
Jason and Dave are the same height.
Christopher and Jason are the same height.
Helen is taller than Dave.
Jason is taller than Christopher.
Select gender and age to cast your vote:
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ANSWERS:

Helen is the tallest. (Let's say, 5'10"/178 cm)

Chris is the second tallest and either taller than Dave or close to the same height as Dave. (Let's say 5'7" to 5'8"/170-173 cm)

Dave is either shorter than Chris or the same height as Chris. (Let's say 5'6" to 5'7"/167-170 cm)

Jason is either the shortest or close to the same height as Dave. (Let's say 5'5" to 5'6"/165-167 cm)
Jason is shorter than Helen, and Christopher is taller than Dave. Which of the following is true if Helen is taller than Christopher?
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