Please choose the correct ending to complete the given sentence: Drinking beer: Two men are seated in a room in front of a robotic arm. One of the men is using a controller to make the arm pick up a bottle. the arm

Ending1: picked up a bottle of silicone, pour it onto a pile of paper, and began to cut up the paper with the toy knife that was flared out on a stainless steel table. Ending2: brings the bottle to the man's face, so he can take a drink. Ending3: reaches underneath the bottle and gives a thumbs up before aiming the bottle at the human arm to wipe itself off. Ending4: is then moving with such force that the man sitting is unable to continue.

Answer format: ending1/ending2/ending3/ending4