Directions: Each of the questions below consists of a question and three statements numbered I, II and III. You have to decide whether the data provided in the statements are sufficient to answer the question. Read all three statements and give answers accordingly. Six students viz. M, N, O, P, Q, and R were given the seminar in the same week starting from Monday to Saturday, one on each day. How many of them are given seminars before O?

Statement I: P has given the seminar before than at least three students. M gave the seminar on Tuesday.

Statement II: Q has given the seminar before than at least one of them. O gave immediately after P.

Statement III: O has not given the seminar on Monday.