Refer to the given diagram and select the correct option regarding X, Y and Z.
A X could be onion, Y could be turnip and Z could be
mustard.
B X could be bean, Y could be balsam and Z could be rice.
C X could be balsam, Y could be onion whereas Z could be bean.
D X could be bean, Y could be mustard and Z could be grass.
Option A cannot be the answer as onion is edible but it is not in Edible group.