288
Geologist Farouk El-Baz trained the prime crew 's command module pilot , Ken Mattingly to inform his planned observations from lunar orbit .
 person: Farouk El-Baz; person: Ken Mattingly
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Farouk El-Baz; person: Ken Mattingly