1

1920x1080

2

3

3840x2160

4

5

action

adult

afroamerican

back

background

calculate

child

computer

count

couple

dragging

female

fifth

finger

first

fist

forefinger

four

fourth

gesture

girl

hand

hd

hold

index

isolated

man

ok

people

second

set

tapping

technology

thumb

up

v

white

woman

zero