1

((((((human:0.017561 #1, chimpanzee:0.007193 #1):0.00000 #1, gorilla:0.011357):0.011181, orangutan:0.027241):0.038880, macaque:0.058180):0.028593, howler_monkey:0.121718):0.131667, bushbaby:0.318066, flying_lemur:0.218139);


((((((human #1, chimpanzee #1) #1, gorilla), orangutan), macaque),
howler_monkey), bushbaby, flying_lemur);  /* 8 species */


((((((((human #1, chimpanzee #1) #1, gorilla), orangutan), macaque),
howler_monkey), bushbaby), flying_lemur), 
rat, mouse); /* 10 species with rat mouse*/