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Option 2 : Only conclusion II follows
The least possible venn diagram is:
[ alt="F1 ReshamR Madhuri 02.03.2022 D2" src="//storage.googleapis.com/tb-img/production/22/03/F1_ReshamR_Madhuri_02.03.2022_D2.png" style="width: 330px; height: 72px;">
I. Some black are pink → False (It can be possible, but it is not definite)
II. All colour being black is a possibility → True (It is possible)
[ alt="F3 Reshma 23-9-2020 Swati D8" src="//storage.googleapis.com/tb-img/production/20/10/F3_Reshma_23-9-2020_Swati_D8.png" style="width: 291px; height: 130px;">
Hence, only conclusion II follows.
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