How to substitute for mustard seed<br>Use prepared horseradish to add spice. Prepared horseradish is made by combining ground horseradish with vinegar, and sometimes other spices, to form a sauce. You can get it from your local supermarket.
Do not feed horseradish to horses.
( z1 feed :polarity - :mxde imperative :ARG0 ( z2 you ) :ARG1 ( z3 horseradish ) :ARG2 ( z4 horse ) )