Venn Diagram and explain the validity of THREE (3) of the following:

1. No shoes without traction are safe for mountain climbing. All shoes safe for mountain climbing are sturdily built. Therefore, some shoes without traction are not sturdily built.
2. Some doctors are unhappy. No unhappy people find it easy to express sympathy for others. Therefore, some doctors do not find it easy to express sympathy for others.
3. No lawyers are golfers, but some golfers are doctors. Therefore, no lawyers are doctors.
4. The common cold has economic costs. Any illness that has economic costs should be taken seriously. Therefore, the common cold should be taken seriously.
5. All foods that can be kept on the shelf for several weeks contain additives. Some foods that contain additives are hazardous to the health of allergy sufferers. Therefore, some foods that can be kept on the shelf for several weeks are hazardous to allergy sufferers.