What is the relationship between 'Lonmin' and 'Mining' in the context of the input sentence.
Options: industry, operator, distribution format, chief executive officer

Mining stocks saw more selling, with Lonmin (LSE: LMI.L - news ) slumping 11.5 percent and Glencore (Xetra: A1JAGV - news ) and Antofagasta (Other OTC: ANFGF - news ) down around 1.7 percent.
industry