Fill in the blank (_) in the following sentence from the following choices.
Sentence: Nelson found it easier to put the star on the Christmas tree than Robert because _ was quite tall.

Choice 1: Nelson found it easier to put the star on the Christmas tree than Robert because Nelson was quite tall.
Choice 2: Nelson found it easier to put the star on the Christmas tree than Robert because Robert was quite tall.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
2. The sentence as written implies that Robert was taller and had more difficulty reaching the star.