Answer
Invalid. The major and minor premises are diagrammed.
Let C represent the set of all college cafeteria food,
G the set of all good food,
and W the set of all wasted food.
Then any one of the diagrams (a through e) could represent the given premises.
Work Step by Step
Only in diagram (b) is the conclusion true. Therefore since it is possible for true premises to result in a false conclusion, the argument is invalid.
