You should be honest with those around you.
May has been invited to her friend's birthday party on Saturday.
May wants to go with her family to the zoo on Saturday.
May tells her friend she doesn't want to go to the party, but will see her another time.
May tells her friend she is sick and goes to the zoo.
May goes to the zoo and has a great time watching the animals.
Someone sees May at the zoo and tells her friend she was there.