Utilize the input text as a context reference, choose the right relationship between 'Boeing' and 'Boeing 737' from the options.
Options: product/material produced, distribution format, operator, position held

As for our interconnect business, coming into the year, 2020 was already forecasted to be significantly burdened by ongoing issue surrounding Boeing 737 MAX, in addition to lower production of other Boeing and Airbus platforms.
product/material produced