53084
The weather is reported every half-hour during the program 's first two hours , though since Al Roker was named weather reporter on January 26 , 1996 , an interview is conducted by him in place of the national weather forecast at least once during the show , leaving only the local weather inserts by NBC stations .
 person: Al Roker; organization: NBC
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Al Roker, NBC 
Answer:
 person: Al Roker; organization: NBC