The provided text explicitly states Jamesons telling his friend Behavior was evoked by a verbal SD and the response that it might rain has formal similarity but it lacks point to point making Jameson telling his friend an interurbable An intraverbal is a verbal operant where the response is evoked by a verbal stimulus and there is no pointtopoint correspondence between the stimulus and the response While intraverbals are typically defined as lacking both formal similarity and pointtopoint correspondence the specific example provided in the text highlights a scenario where formal similarity both are spoken words is present but the critical defining feature of lacking pointtopoint correspondence makes it an intraverbal Option A is incorrect because an echoic requires pointtopoint correspondence Option B is incorrect because a tact is evoked by a nonverbal stimulus Option C is incorrect because a mand is evoked by an establishing operation EO and specifies its own reinforcement neither of which are described in this scenario