'********** structural transformation 'Something that can neutralize a base is an acid. <(\,neutralization,_,base) --> acid>. 2 'Neutralization is a relation between an acid and a base. ''outputMustContain(' (*,acid,base)>. %1.00;0.90%') 'Something that can be neutralized by an acid is a base. ''outputMustContain('<(\,neutralization,acid,_) --> base>. %1.00;0.90%')