Which statements are true about an ABS CDO created from the mezzanine tranche of an ABS?

Check all that apply:

Investors in the ABS CDO equity tranche are promised higher returns than investors who buy into the ABS CDO mezzanine tranche.

ABS CDOs are created to create more AAA$-$rates tranches.

The senior tranche of the ABS CDO is less risky than the senior tranche of the ABS.

If the underlying assets lose $10\%$ of their value, investors in the ABS CDO mezzanine tranche can lose at most $10\%$ of their investment.