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.
Utilize the input text as a context reference, choose the right relationship between 'Dennis Muilenburg' and 'Boeing' from the options.
Options: employer, founded by, industry, product/material produced