"Ancestor"	"Descendent"	"Speciation.Time"	"Extinction.Time"	"Speciation.Type"
"1"	1	1	5	-1	"ROOT"
"2"	1	2	5	2	"GENETIC"
"3"	1	3	5	-1	"GENETIC"
"4"	1	4	5	3	"GENETIC"
