Original sentence: (However, in rugby sevens, a variant of rugby union featuring seven players per side, the scoring team kicks off.) One key difference between an extra point and a conversion is that a conversion must be taken from a position in line with where the try was scored.Hence it is important to ground the ball under the posts rather than in the corner which makes for a difficult kick.If the ball is kicked past the try line and the receiving team grounds it without leaving the past the tryline a drop kick from the 22-meter line ensues.In rugby union, the team scored upon kicks off
Edited sentence: ) One key difference between an extra point and a conversion is that a conversion kick must be taken from a position in line with where the try was scored, although the distance from the try line from which the conversion kick is taken is not fixed.Hence, it is advantageous to ground the ball under the posts rather than in the corner which makes for a more difficult kick.In Rugby, If the ball is kicked past the try line and the receiving team grounds it without returning to the field of play, a drop kick from the 22-metre line ensues.In rugby union, the team scored upon kicks off (in rugby sevens, a variant of rugby union featuring seven players per side, the scoring team kicks off)