Each of the six security guards, L, M, N, O, P and Q, have their night shift duties on six different days of a week, starting from Monday and ending on Saturday of the same week, but not necessarily in the same order. L's nightshift duties are on the day immediately after N. O's nightshift duties are on the day immediately before P but it is not on Monday, M's nightshift duty is on Saturday. Q's nightshift duty is on Wednesday. Who among the following has nightshift duties on Tuesday?

Given:  L's nightshift duties are on the day immediately after N.

O's nightshift duties are on the day immediately before P but it is not on Monday, M's nightshift duty is on Saturday.

Q's night shift duty is on Wednesday.