The given statement is divided into four segments and the segments have been jumbled up. Rearrange the segments to form a coherent statement. The ripe apples before the arrival of the first (P)/ and pickers race against the clock, carefully selecting and collecting (Q) / frost, which signals the end of the harvest season (R)/ during fall, apple orchards erupt in harvest activity as farmers (S)

1. PRQS
2. SQPR
3. QRPS
4. PRSQ