In the following sentence, some parts have been printed in bold. One of the bold parts is incorrectly spelt. Pick up that part and choose its number. If there is no error in the bold parts, choose option 5- no error as the answer.
Its use of mutation and chance seems to occur within restraints; within an algorithm that we are still trying to decifer.
1
mutation
2
restraints
3
algorithm
4
decifer
5
No error