This example is from Wikipedia and may be reused under a CC BY-SA license. 
 All legumes have their seed encased in pods, a few of which are eaten as vegetables, green beans and snow peas, for example. 
 From 
Wikipedia
 This example is from Wikipedia and may be reused under a CC BY-SA license. 
 Snow peas have the thinner walls of the two edible pod variants. 
 From 
Wikipedia
 This example is from Wikipedia and may be reused under a CC BY-SA license. 
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