Identify the premises and conclusions in the following arguments

Identify the premises and conclusions in the following arguments. Underline the indicators and pay special attention to how the indicators connect the statements in each argument.
Sheila must be a member of the cycling club, because she was at last week’s meeting and only members were admitted.
【正确答案】：Indicator：because
Premise: She was at last week’s meeting and only members were admitted.
Conclusion: Sheila must be a member of the cycling club.