Refer to the input text as context and select the correct relationship between 'Grocon' and 'construction' from the available options.
Options: industry, currency, position held, owned by

CFMEU to pay Grocon $3.5 million over blockade Australia's biggest construction union has agreed to pay more than $7 million as part of a massive settlement over its alleged "black ban" of concrete giant Boral in central Melbourne.
industry