1445
Our data suggest that there is an association between panic attacks , no matter if associated with PD or MDP , and hyperreactivity to an oral caffeine challenge test .
 Disease: panic attacks; Disease: PD; Disease: MDP; Chemical: caffeine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: panic attacks; Disease: PD; Disease: MDP; Chemical: caffeine