sentence: Lindsey had access to the internet at home and Cynthia did not, and because of this, 
complete: Cynthia spent a lot at the library researching their paper.

sentence: Michael had trouble with losing weight and asked Kyle for advice, because 
complete: Michael wanted to get lean.

sentence: Brian usually used a curling iron while Michael usually used a straightener in the mornings, so 
complete:
Michael usually had straight hair at school.