Hawaguji, >First Aa go to the other side of the river. Then, only A comes back leaving his gf alone on the other side. Then Bb take the boat and go to the other side. After Bb take off the boat, ... Look here, Mr. B will kiss Miss a in this stage. Look the condition: >Conditions: If a girl is in the different side that of her BF, she will be kissed by the other boys even if they are with their GFs. Sorry, But hence your answer is not the right answer.