All drums are banjos No banjo is a flute. A + E ⇒ E-type of Conclusion “No drum is a flute Some guitars are drums. All drums are banjos. I + A ⇒ I-type of Conclusion “Some guitars are banjos.” Some guitars are banjos No banjo is a flute.I + E ⇒ O-type of Conclusion. “Some guitars are not flutes.” Conclusions I and I I form Complementary Pair. So, eitherConclusion I or Conclusion II follows.