i know!- a4 s$ T: J3 \+ d
when they can have 15 mins discussion.tvb now,tvbnow,bttvb- u! E& B: B# u8 e7 C
make 1 of them to do a specific job whcih is counting
/ I" @# P4 h( z6 P+ Y3 htvboxnow.comonly him can turn on off off the light.
' K) J3 M% U# p. U1 t/ O7 PBasically, if you are the first time to get in the room, turn on the light,
0 n2 K8 m7 p* f: Zthen wait for "the special man" to turn the light off....+ h: M$ @% l# O" a9 Y- @
when "the special man" count in up to 30 (included himself)
3 H- E: |% V2 x* ~then it is done! |