That's a good point.
A2That's a valid and insightful observation.
That's helpful.
A2This information is useful and assists me.
Well done!
A2Excellent work; congratulations!
Good job!
A2Excellent work; congratulations!
Great work!
A2Excellent work; congratulations!
Keep up the good work!
A2Continue your excellent effort.
I'm impressed.
A2I am favorably surprised by your achievement.
That's interesting.
A2I find this topic or information captivating.
That's right.
A2Your statement is accurate.
That's a good idea.
A2Your suggestion is clever and practical.
You're doing great!
A2Your performance is excellent.
Fantastic!
A2Excellent; wonderful!
Wonderful!
A2Excellent; marvelous!
Excellent!
A2First-rate; superb!
Very good!
A2Of high quality; commendable.
Keep trying!
A2Persist in your efforts.
You're doing a good job.
A2Your work is satisfactory.
That's clever!
A2That's intelligent and resourceful.
That's nice.
A2That's pleasing or agreeable.
I like that.
A2I find that appealing.
That's a great idea!
B1Expressing strong approval of a suggestion.
Well done!
B1Expressing praise for a job well done.
That's impressive!
B1Expressing admiration for an achievement.
You're doing great!
B1Encouragement during a task.