Question: Does chlorine inhibit photosynthesis?, Answer:Yes, Description of Chlorine: Chemical element with atomic number 17, Fact1: Chlorine prevents algae from growing in pools, Fact2: Algae photosynthesize 
Step1: What does Chlorine prevent from growing in a pool?, Step2: Does #1 do photosynthesis?, Wikipedia page for step 1: Chlorine , Wikipedia page for step 2: Algae , not_definitive_answer: False, incorrect_answer: False