From a group of five students, A, Q, B, S and C, and three teachers D, E and F, a team of five has to be selected on the basis of the following criteria.

The team must have only one teacher.

Teacher E cannot be on the same team as student Q.

Student S cannot be in a team without student A.

Student B and student C cannot be on the same team as student Q.

Based on the given information, which of the following teams will be formed?

Correct option is D

Given Conditions:
The team must have only one teacher.
Teacher E cannot be on the same team as student Q.
Student S cannot be in a team without student A.
Students B and C cannot be on the same team as student Q.
Option A: ECSQA
Members: E (Teacher), C, S, Q, A
Only one teacher?  (E)
E and Q together? (Invalid — E and Q cannot be together)
Verdict: Invalid
Option B: CBEDF
Members: C, B, E, D, F
More than one teacher? Let's check:
Teachers: E, D, F →  (3 teachers)
Verdict: Invalid (Only one teacher allowed)
Option C: QBSCD
Members: Q, B, S, C, D
Teachers: D →  (Only one teacher)
Q and B together?  (Invalid — B cannot be with Q)
Verdict: Invalid
Option D: ABSCE
Members: A, B, S, C, E
Teachers: E → (Only one teacher)
Q is not present → 
E and Q together? Not applicable, since Q is not present.
S is present → Is A present too? 
Verdict: Valid
Correct Answer: D) ABSCE