When the nursery at the hospital caught on fire, everybody rushed out with a baby. Unfortunately, after the fire was put out, the babies were in the wrong cribs. Fortunately, the hospital could type all the babies blood types.

Baby#1 was type O
Baby#2 was type B
Baby#3 was type AB.

1. Mr and Mrs jones both had type A blood. Which baby was theirs?

2. Mr and Mrs Williams had types AB and O blood. Which baby was theirs?

3. Mr and Mrs Wilson had types B and A blood. Which baby was theirs?​