Answer questions based on the following information given below.
Five courses - $\text{A, B, C, D}$ and $\text{E}$ each of one month duration are to be taught from January to May one after the other though not necessarily in the same order by lecturers $\text{P, Q, R, S}$ and $\text{T. P}$ teaches course $\text{‘B’}$ but not in the month of April or May. $\text{Q}$ teaches course $\text{‘A’}$ in the month of March. $\text{R}$ teaches in the month of January, but does not teach course $\text{‘C’}$ or $\text{‘D’}.$
Which lecturer's course immediately follows after course $\text{B}?$
- $\text{Q}$
- $\text{P}$
- $\text{S}$
- $\text{T}$