"The cow drinks water."

Translation: Η αγελάδα πίνει νερό.

[ghbellesis]

Choice #1 is "A cow drinks water", but the other word for water, ύδωρ, is being used. As this is an introductory lesson, wouldn't it be better to use νερό for both choices, checking whether the learner knows the difference between Η and Μία?