Lace four food trays in each characters inventory. click on a food then hold the right mouse button on the food and drag it to the face of the character that you have highlighted and drop it on there face. Do this for all the characters about three to four times each.
Green Pass Key:
Talk to Lora, ask her the last question on the list, then ask her the first question on the list, she will then give you the green pass key.
Go thu the door which you needed the green pass key. you will see a control stand on the right side of the screen (this controls the crane to pick up the laser gun and take it to the other room). Now you are ready to leave the ship.