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Some of the great all-rounders , such as Garfield Sobers and Jacques Kallis as batsmen or Alan Davidson and Richard Hadlee as bowlers , could justifiably be described as world-class specialists in their main discipline who were effective practitioners of the other .
 person: Garfield Sobers; person: Jacques Kallis; person: Alan Davidson; person: Richard Hadlee
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 person: Garfield Sobers; person: Jacques Kallis; person: Alan Davidson; person: Richard Hadlee