76864
SLSNe events use a separate classification scheme to distinguish them from the conventional type Ia , type Ib / Ic , and type II supernovae , roughly distinguishing between the spectral signature of hydrogen-rich and hydrogen-poor events .
 type Ia, type Ib / Ic, type II
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 type Ia, type Ib / Ic, type II