Please choose the correct ending to complete the given sentence: Hand car wash: A car wash structure is shown. A woman in a pink shirt cleans the back of a truck. a big truck

Ending1: is taking a dump in a ramp. Ending2: goes through the car wash. Ending3: is filled with clean snow. Ending4: pulls up to the dirty water.

Answer format: ending1/ending2/ending3/ending4