3465
Recreational physical activity is important to reduce obesity , and the risk of osteoporosis and of cancer , most significantly in men that of colon and prostate , however , not all malignancies are reduced as outdoor recreation has been linked to a higher risk of melanoma .
 disease: melanoma
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:
 disease: melanoma