can I have the solution ?

4. Use De Morgan's laws to write negations for the statements below: a) Hal is a math major and Hal's sister is a computer science major. b) The train is late or my 1watch is fast. (3) The connector is loose or the machine is unplugged. d) This computer program has a logical error in the rst ten lines or it is being run with an incomplete data set. e) Sam is an orange belt and Kate is a red belt