The conversation between human and AI assistant.
[|Human|] Which of the tree species mentioned in the text are used as a source of food for animals?
[|AI|] Gliricidia (Gliricidia sepium) and Moringa (Moringa oleifera) are used as a source of food for humans.
[|Human|] 
Which of the tree species mentioned in the text are used as a source of food for animals?