Refer to the input text as context and select the correct relationship between 'Boeing' and 'Boeing 737' from the available options.
Options: product/material produced, distribution format, position held, operator

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