Update ngo-bozdo-hw3.rkt

Problem 1: add close parent to data definition of thunderstorm and fire
           fix a typo "thurricane"
Problem 2: delete all the ... that follow the formal parameter
           add comment to template of storm
           fix the selector hurricane-name
Problem 3: add expected results for test cases
           re-write the result for the hurricane case (category)
           re-write the selectors
Problem 4: fix the function definition
           add test cases
           fix the type-error

Problem 5: fix the function definition
           fix the constant definition

Problem 6: fix the test cases
           fix the function definition