sentence: A boy makes repairs to a disassembled bicycle with the use of a solder in a backyard near the back steps of a house. sentence:   A boy enters the scene and pulls on a pair of gloves while wearing a sports protective mask, turns on a blue machine on the back steps and picks up a solder. sentence:   The boy then begins to solder a disassembled bicycle on the ground in  a backyard. sentence:   The boy then gets up and walks out of the scene after lifting the lid on his mask.