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