Fill in the blank (_) in the following sentence from the following choices.
Sentence: The tree gave better overall shade at the picnic than the canopy, because the _ was thicker.

Choice 1: The tree gave better overall shade at the picnic than the canopy, because the tree was thicker.
Choice 2: The tree gave better overall shade at the picnic than the canopy, because the canopy was thicker.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
2. The sentence should read "because the canopy was thicker." The tree cannot give shade through its thickness, but a canopy (