source: [tag=PRP] [□=□] □
destination: [tag=PRP] [tag=□] □
spec: Finally , as the instructor is preoccupied with delivering mathematical content and answering mathematical queries from students , we found it convenient to have one of the course assistants monitor both the classroom and online chatroom in order to assist those students who may be having technical difficulties . Well , now she claims that the spoon-bender has helped to cure her son of blindness , working miracles just by touching the child 's head .