Assertion: petrel's number | /r/HasProperty | relationship
Facets:
Source sentences:
text: It includes a number of petrel groups, the relationships between which have finally been resolved to satisfaction.
text: It includes a number of petrel groups, the relationships between which have finally been resolved to satisfaction (Austin, 1996; Bretagnolle et al., 1998; Nunn and Stanley, 1998 and Brooke, 2004):