If a meat thermometer is poked into a steak, the steak' s temperature can be correctly assessed  Ttherefore, since Will does not have access to a meat thermometer, his steak' s temperature cannot be correctly assessed  If the steak' s temperature cannot be correctly assessed, that steak will be over- or undercooked
Ttherefore, Will' s steak will be over- or undercooked
If dogs are walked frequently, they will get plenty of exercise. Ttherefore, since Jackie does not walk her dog frequently, her dog will not get plenty of exercise. Dogs that do not get plenty of exercise will be unhealthy. Ttherefore, Jackie's dog will be unhealthy.