Task: Question Answering
Input (English): At one point , Tizzy terrified us with a shriek , " STUCK ! ! ! " Establishing that both of his feet and his hands were , in fact , free as they should be , I determined correctly that he was , hanging by his knees , suspended precariously between the narrow gapped spindles of a porch railing . I couldn't help but envision the fire department arriving to saw my child free , leaving me responsible for replacing the porch of the Jolly Train Station . 
Question: What might be the reason for Tizzy to shriek ?
Output (English): Her limbs were forced into a tight space .