But, with Alibaba's Jack Ma sitting on his left and Boeing (NYSE: BA - news ) chief Dennis Muilenburg to his right, Xi also pushed for some quid pro quo from his American hosts to help Chinese firms expand in the United States.
Refer to the input text as context and select the correct relationship between 'Dennis Muilenburg' and 'Boeing' from the available options.
Options: product/material produced, industry, employer, founded by