Please take time to answer the questions correctly and accurately. And show clear workings for it. NOTE ANSWER ONLY C AND D

1. Determine whether or not the following arguments are valid. If they are valid, then state the rules of inference used to prove validity. If they are invalid, outline precisel:y why they are invalid (a) Sue has a computer and John knows how to play minecraft. Everyone that has a computer knows how to play minecraft. Therefore, Sue knows how to play minecraft and John has a computer (b) Everyone who knows how to program in Java also knows how to program in C++ Everyone who knows how to program in Python also knows how to program in Java. A student knows how to program in Python. Therefore, at least one student knows how to program in C++ (c) If John can program in Java then he can also program in C++. Everyone that can program in C++has a job at google. Therefore, if John can program in Java, then he has a job at google. (d) Sue has a laptop. Bob does not have a laptop. Tom has an XBox. Not everyone that has an XBox has a laptop. Every student has a laptop. Therefore, Bob is not a student or Sue is a student