0 or 1

-1,0 or 1

a character

nothing

max(max(a,b),max (a,c))

max(max(a,b),max (b,c))

max(b,max (a,c))

All of these

One throw

One throw of each scale type

One throw of each programmer defined type

As many throws of as many types as necessary

maximum of a, b

positive difference of a, b

sum of a, b

minimum of a, b

find(a, b) + find (b, a)

find (a, find(a, b))

a + find (a, b)

b + find(a, b)