You can find many such discontinuous pairs here. You can find many such discontinuous pairs here. Theres also little room for error. There's also little room for error. Does this make sense?
Pandanus tectorius is a species here.
( z0 species :name ( z1 name :op "Pandanus" :op "tectorius" ) :location ( z2 here ) )
(z0 / species
    :name (z1 / name
              :op1 "Pandanus"
              :op2 "tectorius")
    :location (z2 / here))
Pandanus tectorius is a species here .
z1 :op1 0
z1 :op2 1
z0 :name z1
z0 :location z2