Achha, ye principle bata raha hai ki do same kaam karne wali species saath nahi reh sakti. Par main dekhta hoon, keede jo mere khet mein ghaas khaate hain, woh toh saath-saath rehte hain! Unka tareeka yeh hai ki ek chhoti-patti pattiyon pe rahta hai, aur dusra moti taniyon mein chhupa rehta hai. Bas, thoda alag jagah leke, dono chal padtay hain.
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