For each of the following passages, identify whether the italicized phrase identifies a necessary condition, a sufficient condition, or both.
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A is blank so starting with B.
B: Having a ticket is really necessary to participate in a lottery and later win it but it is not sufficient to win it. Thus, this is a necessary condition.
C: Passing the exa*m is necessary to pass the course and it is also sufficient to pass the course as the exa*m is worth 100% of the course grade. Thus, it is a necessary as well as sufficient condition.
D: Winning a lottery is a fact which is sufficient to infer that the person was having a ticket but winning a lottery is not a necessary condition to infer that the person was having a ticket. Thus, this is a sufficient condition.
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