There are 5 people in the brass ensemble, and
each person plays a different instrument. all of the
musicians want to play a piece with someone who
plays a different instrument. the instruments are
trombone, cornet, sousaphone, french horn
and tuba. which list contains all the instrument
combinations?
a. tc, ts, te, tu, cs, cf, cu, sf, su, fu
b. uf, us, uc, ut, tc, ts, te, tu, sc, su
c. cf, cu, cs, uf, sf, su, tc, ts, us, uf