STEP 7: Great job! Unfortunately, the questions you just entered weren't, erhm, questions. Let's make better ones!

• In main(), on the line with has_scales, change "question" to "Does your animal have scales?"
• On the line with eggs_in_water, change "question" to "Does your animal lay eggs in water?"
• On the line with has_hair, change "question" to "Does your animal have hair?"
• Nice! With our four questions, we'll be able to correctly classify many vertebrates!

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