‘Q’ will be the first part of the given sequence as the term ‘idea’ is used in the context of the statement given in S1. ‘S’ will come next because it tells that due to good weather they ‘moved out of the city’. ‘P’ will follow next as it tells what happened after having stopped their car at a lonely farm, that is, they took the food out of the car. ‘R’ will come next because it tells that after taking the food out, the things were ready and thus they sat near the foot of a hill. This will pair with S6 as the ‘grass’ of the foothill is referred ‘cool’ here. Hence, QSPR is the correct sequence. Thus, option (b) is correct.