Please answer the following question by reasoning step-by-step.
For a stressed out mother a baby is cutest when it is able to what?\nOptions:\n- like spinach\n- laugh\n- sleep soundly\n- giggle\n- clap hands

sleep soundly
Babies generally cry a lot and cause stress.

Babies sleeping soundly do not cry and do not cause stress.

.

The answer: sleep soundly