Does the first sentence of the provided context mean:
1. It is said that artists instead are looking to less invasive,...
or
2. It is said that artists instead should look to less invasive,...
Context:
It has been suggested that artists instead look to less invasive, or less resource- and fuel-dependent, environmental strategies. For example, environmentalists understand that found materials are a preferable source of art material—inspired by Duchamp’s readymade, but simultaneously self-conscious about the wastefulness and toxicity of industry (https://books.google.com/books?id=luS97efEY10C&pg=PA171&lpg=PA171&dq=%22It+has+been+suggested+that+artists+instead+look+to+less+invasive%22&source=bl&ots=GH5zTrbuTy&sig=7yOVR8CsxKJWyAwsWOIyVDFqv7A&hl=en&sa=X&ved=0ahUKEwjl-5mHm8XYAhXQ3KQKHRzlARUQ6AEIJzAA#v=onepage&q=%22It%20has%20been%20suggested%20that%20artists%20instead%20look%20to%20less%20invasive%22&f=false)
It has been suggested that artists should instead look to less invasive, ....
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It has been suggested that artists should instead look to less invasive, ....