map :
map
teacher, students, classroom :
teacher, students, classroom
pens :
pens
child :
child
pencils :
pencils
clock :
clock
students :
students
desk :
desk
teacher, blackboard :
teacher, blackboard
children :
children
dictionary :
dictionary
notebook :
notebook
eraser :
eraser
a piece of paper :
a piece of paper
table :
table
whiteboard, markers :
whiteboard, markers
a pencil sharpener :
a pencil sharpener
computer :
computer
woman :
woman
women :
women