sentence: The barber tried to use the comb to brush the hair but the  OPTIONS:
- hair was too tough.
- comb was too tough.
complete: hair was too tough.

sentence: To install the siding, we didn't need the hammer, but required the drill, as the part of the job that needed the  OPTIONS:
- hammer was just finished .
- drill was just finished .
complete: hammer was just finished .

sentence: It's better to use natural shampoo for your hair than synthetic shampoo as the  OPTIONS:
- natural shampoo is harmful for your hair.
- synthetic shampoo is harmful for your hair.
complete:
synthetic shampoo is harmful for your hair.