Question: 3. A goods train is defined to be a string of cars, which must begin with one or two engines. These are followed by one

3. A "goods train" is defined to be a string of

3. A "goods train" is defined to be a string of cars, which must begin with one or two engines. These are followed by one or more trucks, which are followed by one Guard Van Example: E ETTTTG Non-goods trains: E G: ETTT; EEETTTG a. Write a DFA to recognize a goods train. Use E-engine, T-truck, G = guard van. b. Write a regular expression that generates all legal goods trains. c. Write a program that recognizes goods trains (says "OK' or "not OK"). Input can be in any convenient form). Run your program Submit code (short please) and outputs. Use your DFA-translate DFA to code

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