Pamela did crochet in the kitchen instead of the bedroom, because the 
OPTIONS:
- kitchen had better lighting.
- bedroom had better lighting.
kitchen had better lighting.

To explain the math lesson Tuesday, Donald drew for Ian a diagram that 
OPTIONS:
- Donald drew earlier.
- Ian drew earlier.
Donald drew earlier.

Betty's dog is dangerous and she asked Laura to train her dog, because 
OPTIONS:
- Betty is a dog trainer.
- Laura is a dog trainer.
Laura is a dog trainer.