11235
Given that theophylline showed less potency and efficacy than caffeine to reverse the motor impairment caused by chronic , but not acute , interruption of striatal dopaminergic transmission in rats , it is suggested that caffeine would provide more benefits than theophylline to improve the motor function in patients with Parkinson ' s disease .
 Chemical: theophylline; Chemical: caffeine; Chemical: caffeine; Chemical: theophylline
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: theophylline; Chemical: caffeine; Chemical: caffeine; Chemical: theophylline