Directions: In this section, each item consists of six sentences of a passage. The first and sixth sentences are given in the beginning as S1 and S6. The middle four sentences in each have been jumbled up and labelled as P, Q, R and S. You are required to find the proper sequence of the four sentences and mark your response accordingly on the answer sheet.

S1. The launch of the Mars Rover 'Perseverance' symbolizes a pivotal moment in space exploration for humanity.

S6. This illustrates a significant stride towards unraveling the ancient mysteries that Mars holds.

P. It carried with it sophisticated instruments designed to analyze the Martian soil and atmosphere.

Q. One of its key missions is to search for signs of ancient microbial life on the Red Planet.

R. 'Perseverance' was equipped with a mini-helicopter named 'Ingenuity', marking the first time a powered aircraft would attempt to fly on another planet.

S. Following its successful landing, 'Perseverance' immediately began its exploration tasks