Given the task definition and input, reply with output. In this task, you will be shown a correct English sentence. You need to generate an incorrect form of the input sentence.

Finally , the third reason is that that birds use a type of internal compass ; birds have crystals of the mineral magnetite embedded in their beaks . 

finally the third cause that birds use a type of internal compass , birds have crystals of the mineral magetite embedded in their break . 