Past Continuous

♦ Jane took a shower while her brother was eating.
♦ Mark looked for some help when his girlfriend was crying. 
♦ The teacher read the lesson, but the students were talking.
♦ I didn't note the information about the adress because I was watching TV.
♦ We weren't paying attention that's the reason we lost the adress.
♦ My mother bought a new bag while my father was walking  at the park.

Complete:
 Karen and Rafaela was walking at the shopping mall when _______________________________.