This pebbles check that only regular SUD main dependency relation are used. It does not check the full relation (with extension and deep features).
pattern {
X -[1<>aff|appos|cc|clf|comp|compound|conj|det|discourse|dislocated|flat|goeswith|list|mod|orphan|parataxis|punct|reparandum|root|subj|udep|unk|vocative]-> Y
}
This pebbles check that only regular SUD main dependency relation are used. It does not check the full relation (with extension and deep features).