6  3   
No supertree ((12)(74)), ((15)(49)), (5(29)).   Sap best, then Sc=Sac, then Sp.  MRP = star.*
1 human *
2 chimpanzee *
7 horse *
4 whale *
5 bat *
9 cow *

3
((1:1,2:1):2,(7:1,4:2):1)
((1:2,5:1):1,(4:1,9:1):2)
(5:2,(2:1,9:3):0.5)