Remove trailing space causing issues with CSV format

SpatialLogic.csv

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 Context,briefResponse,detailedResponse
 "You put a penny inside a glass with the opening facing up, then pick it up. You set the glass on a table with the opening facing down, then pick up the glass and put it on the floor opening facing up. Where is the penny?","The penny is on the table.","The penny fell out of the glass when placed on the table, because the glass was placed opening downward. This would leave it there, on the table."
-"A piece of paper is folded in half, then folded in half again the other direction, leaving it a fourth of the original size in the original dimensions. A pen with black ink is used to draw a letter on the paper, then the paper is placed on a surface with the letter facing upward. If the paper were to unfold once, which direction would the letter face: up or down?","The letter would face down.", "When the fold is undone, taking the paper from quarter to half size, the side of the paper containing the letter would turn and face down at the surface."
+"A piece of paper is folded in half, then folded in half again the other direction, leaving it a fourth of the original size in the original dimensions. A pen with black ink is used to draw a letter on the paper, then the paper is placed on a surface with the letter facing upward. If the paper were to unfold once, which direction would the letter face: up or down?","The letter would face down.","When the fold is undone, taking the paper from quarter to half size, the side of the paper containing a letter would turn and face down at the surface."
 "You are a piano mover. You are moving a piano up a flight of stairs. The flight of stairs has 8 steps. The keys on the piano are the distance of 2 steps above the ground when the piano is placed on the ground. After being moved to the second floor, how many steps will the distance of the keys be from the ground of the second floor it is now resting atop?","The keys will be the distance of 2 steps above the floor.","When the piano is moved, the relative distance is not affected. Therefore, the keys will sill be 2 steps above the new floor the piano is placed atop."
 "I place two dice atop a table. One of the dice is on the right side of the table, and the other is on the left side of the table. Which will slide when the table is tilted to the right enough to cause sliding?","Both dice will slide.","Regardless of their position on the table, both dice are affected by the new slant of the surface, so both dice will slide."
 "If a person is lying with their back facing the ground, which way is their stomach facing?","Their stomach faces ypwards, towards the sky.","The stomach is opposite the back, so their stomach would be facing upwards, towards the sky."