Which of the functions (callstack frames) will be combined in the Flame chart executed in the following sequences of calls?
send()1 -> checkLength()1 -> removeDraft()1 -> changeStatus()1send()2 -> checkLength()2 -> changeStatus()2 -> changeStatus()3send()3 -> removeDraft()2 -> changeStatus()4 -> removeDraft()3send()4 -> changeStatus()5 -> changeStatus()6 -> removeDraft()4