She was beginning to age, an early sign of her memory problems was showing short term what?\nOptions:\n- increase in emotional resonance\n- forgetting\n- brainless\n- take shape\n- forgetfulness
Step-by-step reasoning process below:

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Forgetfullness is an ilness that shows memory problems. Old people have forgetfulness. Short trem forgetfullness means someone forgets in small times. The answer: forgetfulness.
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