sentence: Ian learned CPR in their college health class but Jason never learnt the procedure. 
complete: Ian was calm and confident helping the heart attack victim.

sentence: Benjamin ordered Samuel to get some ripe jicama from the forests because 
complete: Samuel had nothing to do.

sentence: My dad gave me a homemade gift and store-bought gift for Christmas. I like the 
complete:
store-bought since it's less meaningful.