Read the following context and choose the best option to answer the question.
Context: It 's been cold and raining for the last couple of days already . Not sure yet how I 'll entertain the kids so they do n't start climbing the walls .... I ' m sure I 'll think of something ! So nice to get some rain though ... Have a fantastic weekend - whatever you may have planned !
Question: Why might the children climb the walls ?
Options: 
- It 's not literal .
 - None of the above choices .
 - The rain may make them do that .
 - The cold will cause this .


It 's not literal .