YOU AREN'T SAD
YOU ARE SAD
WE ARE TIRED
I AM IN THE HOUSE
THE HOUSE IS BIG
HE ISN'T HAPPY
I AM NOT IN THE HOUSE
THE AREN'T DOCTORS
WE AREN'T TIRED
THE HOUSE ISN'T BIG
HE IS HAPPY
THEY ARE DOCTORS
SHE IS A STUDENT
IT IS IN THE PARK
IT ISN'T IN THE PARK
SHE ISN'T A STUDENT