A
we were sitting in a London café when we saw my favorite singer
he / walk / in London / when / he / see / the famous actor
we / visit / a museum / when / we / hear / the news
we were visiting a museum when we heard the news
I / watch / a documentary /when / I / fall / asleep
I was listening to music when you called me
I / wait / outside the festival / when / I / send / Tom a message
I was waiting outside the hospital when I sent Tom a message
Emma / listen / to music / when / you / call / her
the talent show / start / when / I / switch on / the TV
the talent show was starting when I switched on the TV
we / visit / an art exhibition / when / I / get / your message
we were visiting an art exhibition when I got your message
I / meet / my best friend / when / I / perform / in a talent show
I met my best friend when I was performing in a talent show
they / watch / a fil / when / Henry / fall / asleep
they were watching a film when Henry fell asleep
she / cry / when / the romantic film / finish
she was crying when the romantic film finished