'new kind thing of object': ok
'new kind device of thing': ok
'new kind vehicle of thing': ok
'join of number and real number': real number
'join of real number and number': real number
'meet of number and real number': number
'meet of real number and number': number
'join of number and arithmetic value': arithmetic value
'join of text and arithmetic value': sayable value
'join of thing and device': thing
'join of device and thing': thing
'join of device and object': object
'join of device and vehicle': thing
'join of thing and text': sayable value
'join of list of devices and list of vehicles': list of things
'meet of devices and vehicles': nothing
'meet of devices and things': device
'join of activity on devices and activity on vehicles': activity
'join of activity on devices and activity on things': activity on devices