However, in line with our decision to include white/JJ, , white/JJ rather than white/JJ, AMOD •AMOD, white/JJ , all co-occurrence types are canonicalized through a dependency cancellation process in which adjacent, complementary dependencies are cancelled out.
all occurrences within the string of either rr or rr for r ∈ R are replaced with , and this process is repeated until no further reductions are possible.