4. Define a short problem related to the Information Technology field. The probl

4. Define a short problem related to the Information Technology field. The problem can beof your own imagination but a realistic one and should be programmable using anyprogramming language. Apply the 6 stages of Requirements Engineering to this problemand write a short paragraph for each stage describing how you would address each stagein the process.5.a. Use the full truth table method to determine the validity of the following argument ((A v B) & C) D (~A & C) BB D Bb. Use the short truth table method to determine the validity of the following argument. Astep-by-step description as to how the value in each cell was arrived at should be given. ~P v (Q & R) R ~Q~R & ~P ~Q