Read the following paragraph and answer the question. Give ONLY the answer, no other words or explanation.

For example:

Answer: <most likely answer, as short as possible>.

Paragraph: Good thing to know that I 'd fight extradimensional beings to save my kid . How many parents would do the same ? :P Well , besides everyone I know . ( Except for Matt , cause he IS an extradimensional being .

Question: What may be the reason why they are surprised they would fight for their kid ?
It 's just something they 've never thought of before .
They might not have encountered extradimensional beings before.