The context of the following conversation is We indicated the clearly the topic after teaching the kids for an hour and a half.:
Lee says We taught the kids for an hour and a half yesterday..
The friend responds It took you an hour and a half to teach kids one topic?.
Lee responds Yes, but we were able to clearly indicate the topic..
The friend responds I guess that's great..
Lee responds It's amazing. The kids are catching on very fast..
The friend responds They'll be ready for the next grade..