Defragmented means to run a process that collects fragments of files and sorts them into contiguous sections on one or more hard disks or hard disk partitions, thus speeding up file
management.
Ambiguous means to be of uncertain nature or significance.
Definitive means clearly defined or formulated.
Anecdotal means to have the character of an anecdote.
Speculative means not based on fact or investigation.
Hence, the correct answer is 5.
