We had a second breakfast at McDonald 's , where I had a green tea and Oreo McFlurry . It was interesting , to say the least . To fill our time , we went to Harajuku , a normal destination for me whenever I ' m town . I did some shopping and somehow managed to get a morning discount !

Available options:
a). They had booked their flight to Japan .;
b). They had booked their family 's flight to Japan .;
c). None of the above choices .;
d). They had invited their family to Japan .;
Q: What may have happened before they went on their trip ?
a).