Revised version: The results of the study reveal different motivations behind the actions of each participant. (14 words)

Revised version: The study results reveal different motivations behind the participants’ actions. (10 words)

Revised version: Philip and his mum decorated the Christmas tree. (8 words)

Revised versions: The sun was scorching (4 words); the scorching sun (3 words)

Revised version: The teacher helped me complete the math problem (8 words)

Revised version: The car’s fuel pump needs replacement. The mechanic says it will be done by the end of today.