Goal: I will buy a shirt for my husband later, but for now, add the size "40" Raymond black shirt to my cart on the Flipkart app. 
Steps:
action: action_type: navigate_back
step_instruction: Go back to the previous page
action: action_type: scroll
direction: up
step_instruction: Scroll up
action: action_type: click
step_instruction: Select the size "40" in the size chart.
action: action_type: click
step_instruction: Click on the Tab Add to cart at the bottom left corner of the screen.