Please create a PL$/$SQL procedure which creates a new trip. The input includes a ride request ID$,$ a driver ID$,$ and a car ID

$1)$ it first checks whether there is a ride request with the input ID$.$ If there is no such request, print a message 'Invalid request ID$\text{'}$ and stop.

$2)$ it then checks whether there is a row in driver$\_$car that matches the input driver ID and car ID$.$

If there is no such a row, print a message 'Invalid car ID or driver ID$\text{'}$ and stop.

$3)$ if all input IDs are valid, insert a new row into the trip table, with a newly generated trip ID$,$ input rider request ID$,$ input driver ID$,$ input car ID$,$ and start$\_$time as current time $($systimestamp$).$ End$\_$time, fare, and rating are null.

Print out the newly generated trip ID$.$

Hint: create a sequence to generate a new trip ID$.$

Please call this procedure with an invalid input and a valid input.