Modifiers matching obligation:

• outside,
• military,
• written,
• legal,
• financial,
• marketable,
• economic,
• monthly,
• moral,
• ongoing,
• regular,
• sovereign,
• secure,
• monetary,
• professional,
• scholarly,
• ethical,
• signed,
• primary,
• public,
• contractual,
• political,
• natural,
• corporate,
• civil,
• basic,
• published,
• private,
• legislative,
• safe,
• governmental,
• small,
• fixed,

Simple categories matching marketable:

• material,
• commodity,
• byproduct,
• metal,
• security,
• training,
• output,
• component,
• resource,
• product,
• package,
• property,
• obligation,
• legume,
• assets,
• capital,
• instrument,
• skill,
• voucher,