Consider the following premises. Mary is not playing tennis. Elisabeth is playing squash. If Mary drives a car, then Mary is playing tennis. Can we infer the following from them? Mary is not driving a car or it is windy.
 From the fact that if Mary drives a car, then Mary is playing tennis, and that Mary is not playing tennis we can infer that Mary is not driving a car. From the fact that Mary is not driving a car, and that Elisabeth is playing squash we can infer that Mary is not driving a car and Elisabeth is playing squash. From the fact that Mary is not driving a car and Elisabeth is playing squash we can infer that Mary is not driving a car. Finally, from the fact that Mary is not driving a car we can infer that Mary is not driving a car or it is windy. Therefore, the answer is yes.