In the trolleybus:
Mom(s), speaks to someone on the phone and does not notice that the child 3-4 years old(s), sitting at the window carefully licking the glass. Unable to withstand, a woman standing next to her, draws her mother's attention to the child's occupation:
M is My son!! What are you doing?? to
R is mine.
What are you washing there?? to
City of R, Mom.