Except 'Dust-Vacuum Cleaner ' , all second things are come in use with help of first.

In all other pairs, second denotes a characteristics of the first.

Except 'Long-High' , all options having opposite of second word.

Artist is just a part of a troupe.

In all other pairs, second requires the first to continue the corresponding function

In all other pairs, the two words are antonyms to each other.

Day-Night, Up-down and small-Large word pairs denote the opposite relationship among them. But across and along are synonym.

War and Worship are not interrelated i. e. , irresavant .

In all other pairs, second is a part of the first.

Except 'Crime-Blame' , all three options having opposite words