R: C

R: Falso

R: e

R: a

R: c

R: b

R: c

R: c

R: a

R: b

R: a

R: b

R: b

R: a

R: b

R: c

R: a

R.c

R.a

R.a

R: a

R: c

R: a

R: d

R: a

R: a

R: c