S1: The study of speech disorders due to brain injury suggests that patients can think without having adequate control over their language.nP : But they succeed in playing games of chess.nQ : Some patients, for example fail to find the names of objects presented to them.nR : They can even use the concepts needed for chess playing, though they are unable to express many of the concepts in ordinary language.nS : They even find it difficult to interpret long written notices.nS6: How they manage to do this we do not know.nThe Proper sequence should be:

S1: The study of speech disorders due to brain injury suggests that pa

1.	S1: The study of speech disorders due to brain injury suggests that patients can think without having adequate control over their language.nP : But they succeed in playing games of chess.nQ : Some patients, for example fail to find the names of objects presented to them.nR : They can even use the concepts needed for chess playing, though they are unable to express many of the concepts in ordinary language.nS : They even find it difficult to interpret long written notices.nS6: How they manage to do this we do not know.nThe Proper sequence should be:
A.	PSQR
B.	RPSQ
C.	QSPR
D.	SRPQ
Answer» D. SRPQ