sentence: Jill couldn't fix her hair up properly. The bobble would not go round the ponytail because the 
complete: ponytail was too thick.

sentence: Jeffrey got violently ill after eating the mushroom, but Michael only had a slight stomach ache, because 
complete: Michael had eaten a smaller portion.

sentence: Lindsey has started making a banana milkshake but needs help from Jessica, because 
complete:
Jessica can help him.