Select the correct mechanisms for the following reactions. Left: E1 and Right: E2 Left: SN1 and Right: SN2 Left: SN2 and Right: E1 Left: E1 and Right: SN1 Left: SN2 and Right: SN1 
 
a) Left: E1 and Right: E2 
b) Left: SN1 and Right: SN2 
c) Left: SN2 and Right: E1 
d) Left: E1 and Right: SN1