Tread 'set of 1 trees' 
(Pan_troglodytes (Australopithecus_africanus ((Paranthropus_Austr_boisei Paranthropus_Austr_aethiopicus )(Homo_erectus (Homo_habilis (Homo_heidelbergensis (Homo_sapiens_neanderthalensis Homo_sapiens_sapiens ))))))) ;  
 
tread 'tree(s) from TNT, for data in input.fasta'
Tread 'set of 1 trees' 
(Pan_troglodytes (Australopithecus_africanus ((Paranthropus_Austr_boisei Paranthropus_Austr_aethiopicus )(Homo_habilis Homo_erectus (Homo_heidelbergensis (Homo_sapiens_neanderthalensis Homo_sapiens_sapiens )))))) ;