1. We added a discussion of "other than immersion how is our approach useful"
in the Discussion section under Applications (4th and 5th paragraph of the
Discussion section).

2. Reduced the abstract to 150 words.

3. We included a discussion of the generalizability of our model across eye-
colors  and skin tones, and across headsets in the Discussion section under
Limitations and Future Work ( 7th and 8th paragraph of the discussion
section).

4. A figure showing the architecture of our RNN was added to the supplementary 
material.

5. cos^{-1} was changed to acos in equation (1).

6. The ability to fine-tune the model in new scenes and tasks was added to the
Discussion section under Preliminary Test with a Different Scene (3rd
paragraph of Discussion).

7. We added our motivation for using gaze angles in the supplementary material.

8. Adaptively fading out the aid (as suggested by R2) as a solution to lower
frustration  was added to the Discussion section under Limitations and Future
Work (10th paragraph of Discussion).

