Consider the following premises. It is cloudy and Thomas is a nurse. Sarah is a bartender and it is snowing. Can we infer the following from them? Sarah is not a bartender.
 From the fact that it is cloudy and Thomas is a nurse we can infer that it is cloudy. Finally, from the fact that Sarah is a bartender and it is snowing we can infer that Sarah is a bartender, which contradicts that Sarah is not a bartender. Therefore, the answer is no.