Correct option is C
(1) Some plates are cups.
(2) Some cups are tumblers.
(3) All tumblers are spoons.

From (2) some cups are tumblers, and from (3) all tumblers are spoons.
So, those cups which are tumblers are also spoons.
Hence, some spoons are cups → Follows.
Statement (1) directly says some plates are cups.
So, some cups are plates → Follows.
There is no definite connection given between plates and tumblers/spoons.
So this conclusion does not follow.