Why did this happen? You might think that these questions have simple answers. There are plenty of other technical rules too. Sometimes a word here or there in your documents can make a big difference. The parties reached a court-approved settlement.
38% of users are blind.
( z0 include :ARG1 ( z1 person :ARG0-of ( z2 use ) :ARG1-of ( z3 blind ) ) :ARG2 ( z4 person ) :ARG3 ( z5 percentage-entity :value 38 ) )
(z0 / include-91
    :ARG1 (z1 / person
              :ARG0-of (z2 / use-01)
              :ARG1-of (z3 / blind-02))
    :ARG2 (z4 / person)
    :ARG3 (z5 / percentage-entity
              :value 38))
38 % of users are blind .
z0 :ARG3 z5
z5 :value 0
z0 :ARG1 z1
z1 :ARG0-of z2
z0 :ARG2 z4
z1 :ARG1-of z3