The following are the state diagrams of two $\text{DFAs,}$ $\text{M1}$, and $\text{M2.}$ Answer the following questions about each of these machines.
- What is the start state?
- What is the set of accept states?
- What sequence of states does the machine go through on input $\text{aabb?}$
- Does the machine accept the string $\text{aabb?}$
- Does the machine accept the string $\epsilon?$