Sentence examples for it has been contentious from inspiring English sources
And it has been contentious.
And, as so often happens in the America's Cup, it has been contentious, controversial and, at times, utterly ridiculous.
This basic idea has been broadly accepted by zoologists, but it has been contentious when applied to plants, not least because they are often hermaphrodites.
It has been contentious whether this material represents just a single taxon.
It has been contentious whether these are independent processes [4], [10] or whether they are manifestations of the same biological process [6].
Although lymph node metastases are important prognostic parameters, it has been contentious whether a pelvic lymph node dissection itself has a prognostic impact in the treatment of endometrial cancer, especially in endometrioid adenocarcinoma.
The symbol has been contentious since it was first placed on the flag in 1956 as a protest of desegregation orders.
The concept of subspecies has been contentious, yet it remains very important for evolutionary biology and conservation, and comparative studies suggest the taxonomic rank has validity [ 48].
The constitutionality of the government's citizenship revocation plan has been contentious from the time it was announced in February 2015.
It has the potential to be the start of a lengthy, difficult process that has been contentious in many communities.
