QUES: Multi Color Crystal Set Necklace and Matched Earrings

correct the punctuation.

CORRECTED: Multi Color Crystal Set ( Necklace and Matched Earrings )

QUES: It alleges that a member of the IT team told Navman of a potential gap in its system compared to its incumbent which could be a showstopper

correct the punctuation.

CORRECTED: It alleges that a member of the IT team told Navman of "a potential gap" in its system compared to its incumbent, which could be a "showstopper".

QUES: We took this very seriously because the vegetation showed how far the water could wash up on the shore

correct the punctuation.

CORRECTED:
We took this very seriously because the vegetation showed how far the water could wash up on the shore.