[tag=PRP] [tag=VBD] [lemma=it] [lemma=convenient] [lemma=□]
[tag=PRP] [tag=VBD] [lemma=it] [lemma=convenient] [lemma=to]
[tag=PRP] [tag=VBD] [lemma=it] [lemma=convenient] [lemma=convenient]
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 .