You two example when input GST cannot be set off against output GST​...please say answer faster

Two trends that i’ve noticed are the following: lifestyle trend of many people seeking fitnessgenerates a business opportunity of opening a gym. another trend is entertainment; popmusic is very popular which generates a business opportunity for record producers lookingto produce music that will sell

The advantage of administering personality tests on employees is that it will allow the employer to know the mindset and personality of the employee. this will allow the employer to at least have an idea as to how the employee works and how his attitude in the workplace. the disadvantage is that it may make the employee a little anxious as to whether he would meet the personality requirements of the employer and whether he would be able to retain the job or not.