Michael's lab formulates helpful drugs for people like Derrick, so
OPTIONS:
- Michael is the lab technician.
- Derrick is the lab technician.
Michael is the lab technician.

The slime in Tara's hair had gotten stuck so easily because the
OPTIONS:
- slime is sticky.
- hair is sticky.
slime is sticky.

Rachel was a much better cook than Mary although
OPTIONS:
- Rachel couldn't even boil eggs correctly.
- Mary couldn't even boil eggs correctly.
Rachel couldn't even boil eggs correctly.