Complete the second sentence so that it means the same as the first sentence. Use between two and five words including the word in brackets.
Example:
x) Most often, the buildings they harm are not important to graffiti artists.
(care) Graffiti artists seldom care about the buildings which they damage.
a) In most countries, spraying graffiti is an offence.
(law) In most countries, it is graffiti.
b) Banksy took part in an auction but could not be recognised.
(unable) At the auction, people. Banksy.
