The smith family is a very wealthy family that lives in a big, circular home. one morning, mr. smith woke up and saw a strawberry jam stain on his new carpet. he figured out that everyone who was there that morning had a jam sandwich. by reading the following excuses, figure out who spilled the jam.
billy smith: i was outside playing basketball.
the maid: i was dusting the corners of the house.
chef: i was starting to make lunch for later.
who is lying?