SSC CHSL 03 Aug 2023 Shift 2 Paper

Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.
Statements:
Some pencils are cartoons.
All cartoons are rivers.
All rivers are shadows
Conclusions:
(I) All pencils are shadows
(II) All cartoons are shadows
(III) Some shadows are pencils.