Can gff compare classification J transcripts (multi-exon with at least one junction match) be considered as novel transcripts?

Question

[aaghodsinia]

Can gff compare classification J transcripts (multi-exon with at least one junction match) be considered as novel transcripts?

The list of classfications can be found here: https://ccb.jhu.edu/software/stringtie/gffcompare.shtml#transfrag-class-codes