<human>: Does the sentence "This program, along with the introduction of genetically engineered Bt cotton (which contains a bacterial gene that codes for a plant-produced protein that is toxic to a number of pests such as cotton bollworm and pink bollworm), has allowed a reduction in the use of synthetic insecticides." answer the question "What form of cotton contains a genetically modified gene?"

OPTIONS:
- yes
- no
<bot>: yes