Use reasoning to lead to the answer of the following question:
The baby was cranky, it needed to eat breakfast but refused to what?\nOptions:\n- buy food\n- open mouth\n- get out of bed\n- cry\n- wake up
 Reasoning process:
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Babies get cranky when they are hungry. Cranky babies don't listen anything so don't open mouth even for breakfast. Therefore, the final answer is open mouth.
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