S1:tThe study of speech disorders due to brain injury suggests that patients can think without having adequate control over their language.P :tBut they succeed in playing games of chess.Q :tSome patients, for example fail to find the names of objects presented to them.R :tThey can even use the concepts needed for chess playing, though they are unable to express many of the concepts in ordinary language.S :tThey even find it difficult to interpret long written notices.S6:tHow they manage to do this we do not know.The Proper sequence should be:

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

1.	S1:tThe study of speech disorders due to brain injury suggests that patients can think without having adequate control over their language.P :tBut they succeed in playing games of chess.Q :tSome patients, for example fail to find the names of objects presented to them.R :tThey can even use the concepts needed for chess playing, though they are unable to express many of the concepts in ordinary language.S :tThey even find it difficult to interpret long written notices.S6:tHow they manage to do this we do not know.The Proper sequence should be:
A.	PSQR
B.	RPSQ
C.	QSPR
D.	SRPQ
Answer» D. SRPQ