The old man was thinking about getting his teeth replaced with dentures, since the 
OPTIONS:
- dentures would be weaker.
- teeth would be weaker.
teeth would be weaker.

Dennis explains to Steven that he'll need a permit to do electrical work on his house, but 
OPTIONS:
- Dennis isn't concerned about getting in trouble for that.
- Steven isn't concerned about getting in trouble for that.
Steven isn't concerned about getting in trouble for that.

Derrick wanted to teach Ryan how to cast a fishing pole, but 
OPTIONS:
- Derrick didn't have their phone number.
- Ryan didn't have their phone number.
Derrick didn't have their phone number.