sentence: Elena helped Erin put a streak of pink in her hair, but 
complete: Erin was disappointed with how she dyed it.

sentence: The scarf was cute, but she opted for the hat instead, as the 
complete: scarf was not a match for her wardrobe.

sentence: The toaster at Jasons house was on the fritz, so Neil lent him an extra one.  
complete:
Neil was happy to help.